important laws

1. AGPL - actual ground position line
AQAP - Al Qaeda in the Arabian peninsula
AU - Astronomical Units/African Union
AWACS - Airborne Warding and Control System
BFA - Boao Forum for Asia
BPL - Below Poverty Line
BPO - Business Processing Outsourcing
BPS - Bytes Per Second
CAG - Comptroller & Audit General of India
CAS - Conditional Access System
CBM - Confidence Building Measures
CCS - Cabinet Committee on security
CDAC - Centre for the Development of Advanced Computing
CEO - Chief Executive Officer
CFC - Chloro Fluro Carbon
CFL - Compact Fluorescent Lamps
CFVs - Cease Fire Violations
CGS - Chief of General Staff
CID - Criminal Investigation Department
CII - Confederation of Indian Industry
CIS - Commonwealth of Independent States
COSAPH - Committee of secretaries for anti-piracy & hijack at sea
CPR - Cardio Pulmonary Resuscitation
CPEC - China Pakistan Economic Corridor
CRR - Cash Reserve Ratio
CSIR - Council of Scientific and Industrial Research
CT - Computerised Tomography
CTBT - Comprehensive Test Ban Treaty

2. CVC - Chief Vigilance Commission
CWC - Chemical Weapons Convention
DGLL - Director General of Lighthouses & Lightships
DMZ - Demilitarised Zone
DNA - Deoxyrhibo Nucleic Acid
DSB - Digital Sartellite Broadcasting
DSL - Digital Subscriber Line
DSP - Digital Signal Processing
DTH - Direct To Home
DTTI - Defence Technology and Trade Initiative
DVS - Desktop Video Conferencing
ECG - Electro Cardiogram
ELINT - Electronic Intelligence
ELISA - Enzyme Linked Immuno Sarbest Essay
ESA - European Space Agency
ESCAP - Economic Services Maintenance Act
FBTR - Fast Breeder Test Reactor
FCCB - Foreign Legal Consultant
FLC - Foreign Legal Consultant
FMCT - Fissile Material Cut-Off treat
FOB - Free on Board
FOR - Free on Rail
3 G - Third Generation
7 G - G7(US, UK, Germany, France, Italy, Japan & Canada)
GCC - Gulf Co-operation Council
GDP - Gross Domestic Product
GDR - Gross Depository Receipt

3. GEF - Global Environment Fund
GEMS - Gateway Electronic Mail Services
GRE - Graduate Record Exam.
HDML - Hyper Devices Mark-up Language
HRPT - High Resolution Picture Transmission
HTR - High Temperature Reactor
IBM - International Business Machines
IBRD - International Bank for Reconstruction & Development
ICRA - Information & Credit Ratma Agency
IB - International border
IHO - International Hydrographic Organisation
IMAP - Internet Mail Access Protocol
IMF - International Monetary Fund
IPCC - Intergovernmental panel on climate change
ISA - International Seabed Authority
ISDN - Integrated Services Digital Network
ISI - Inter Services Intelligence
IUCN - International Union for Conservation of nature
ITU - International Telecommunication Union
IWAI - Inland Water Authority of India
IWT - Inland water transport
LAC - Line of Actual Control
LCD - Liquid Crystal Display
LC / LOC - Line of Control
LTTE - Liberation Tigers of Tamil Elan
MICR - Magnetic Ink Character Recognition
M2M - Man to machine communication
MMR - Material Mortality Rate

4. MMTC - Minerals & Metals Trading Corporation
MOS - Monthly Operational Summary
MOSFET - Metal Oxide Semiconducter Field Effect Transitor
MTCR - Missile Technology Control Regime
NABARD - National Bank for Agriculture and Rural Development
NAC - National Advisory Council
NOSDC - National oil spill disaster committee
OCR - Optical Character Recognition
OLE - Object Linking Embedding
OPEC - Organisation of Petroleum Exporting Countries
PDC - Project development consultant
PFRDA - Pension Fund Regulatory and Development Authority
PIL - Public Interest Litigation
PIN - Postal Index Number
PNR - Passenger Name Recorder
PPP - Purchasing Power Party
PPPP - Public Private Panchayat ParTnership
RDX - Research Department Explosive
RSS - Rashtriya Svayam Sewak Sangh
SAPTA - South Asian Preferential Trade Agreement
SENSEX - Sensitivity Index
SIM - Subscriber Identification Module
SITA - Suppression of Immoral Traffic Act
SOLAS - Safety of Life at Sea
SLR - Statutory Liquidity Ratio
SNA - System Network Architecture
SPTM - Self Printing Ticketing Machine

5. SWOT - Strengths Weaknesses Opportunities and Threats
TADA - Terrorist and Disruptive Activities Act.
TAFTA - Trans Atlantic Free Trade Agreement
TCP - Transfer Call Protocol
TRIPS - Trade Related Intellectual Property Rights
NSG - Nuclear Supplier Group
UIDAI - Unique Identification Authority of India
ULFA - United Liberation Front of Assam
UNCTAD - UNITED Nations Conference on trade & development
UNHCR - United nations High Commissioner for Refugees
UNIFIL - United Nations Interim Force in Lebanon
VIRUS - Vital Information Resources Under Siege
VSAT - Very Small Aperture Terminal
WMD - Weapons of Mass Destruction
ZIP - Zone Improvement Plan
ZOPFAN - Zone of Peace Freedom and Neutralits
BIMSTEC - Bangladesh India Myanmar Srilanka Economic Cooperation or
Bengal Initiative Multi Sectorial Technical and Economic Cooperation
HDI - Human Development Index
GDP - Gross Domestic Product
GNP - Gross National Product
FDI - Foreign Direct Investment
SEZ - Special Economic Zone
FTZ - Free Trade Zone
EPZ - Export Processing Zone
FZ - Free Zone
FTA - Free Trade Area
ISL - International Shipping Lanes

6. SLOC - Sea Lines of Communication
IMO - Indian Maritime Organisation
IOR - Indian Ocean Region
MZI - Maritime Zones of India
IMMS - Indian Maritime Military Strategy
ISPS - International Ship & Part Security
LRIT - Long Range Identification & Tracking
AIS - Automatic Identification System
MDA - Maritime Domain Awareness
CCS - Cabinet Committee on Security
JIC - Joint Intelligence Committee
RDF - Rapid Development Force
SAR - Search and Rescue
HADR - Humanitarian Assistance and Disaster Relief
DWT - Dead Weight Tonnage

7. TRANSITION TO GUARDIANSHIP
DNI Director of Naval Intelligence
DNO Director of Naval Operations
DNOM Director of Naval Oceanology & Metrology
DNPM Director of Naval Provost Marshal
DOD Department of Ocean Development
DoD Department of Defence
DOE Department of Electronics
DOP&T Department of Personnel and Training
DOT Department of Telecommunication
DP & S Defence Production & Supplies
DPI(N) Director of Production and Inspection (Navy)
DPR Detailed Project Report
DPRO Director of Procurement (naval logistics)
DPS Defence Planning Staff
DPSA Deep Penetration Strike Aircraft
DPSU Defence Public Sector Undertaking
DQA(WP) Director of Quality Assurance (Warship Projects)
DRDC Defence Research and Development Council
DRDL Defence Research & Development Laboratory
DRDO Defence Research and Development Organisation
DSB Defence Science Board
DSC Defence Security Corps
DSMO Director of Submarine Operations
DSR Director of Staff
DSRV Deep Submergence Rescue Vessel/Vehicle
DSSC Defence Services Staff College
DSV Diving Support Vessel
DTG Date Time Group(indicates the time that a signal is issued)
DTIB Defence Technology Industrial Base
DWE Director of Weapon Equipment
DWP Director of Warship Projects
Dy Deputy
E
EAP Electrical Artificer Power/Control System/Weapon
EAR Electrical Artificer Radio/Radar/Sonar
ECC Emergency Committee of the Cabinet
ECCM Electronic Counter Counter Measures
ECDIS Electronic Chart Display Information System
ECM Electronic Counter Measures (electronic warfare)
EDC Estimated Date of Completion
EDP Electronic Data Processing
EDS Estimated Date of Supply (for stores)
EEZ Exclusive Economic Zone
EIC East India Company
EinC Engineer in Chief
EKM Project Designation of Russian design SSKs (NATO
designation Kilo class submarine)
ELF Extremely Low Radio Frequency (below 10 khz)
ELINT Electronic Intelligence (electronic warfare)
EMI/EMC Electro Magnetic Interference/Electro Magnetic
Compatibility
EOD Explosive Ordnance Disposal
ER Extended Refit (western ships)
ERA Engine Room Artificer
ERE Extra Regimental Employment
ETRC Equipment Table Revision Committee
EW Electronic Warfare
EXOCET French missiles
F
F-16 Multi-role fighter aircraft
FA(DS) Financial Adviser Defence Services

8. FAC Fast Attack Craft (for intercepting boats of militants
and smugglers in shallow coastal waters)
FAR Federal Acquisition Regulations
FATS Factory Acceptance Trials/Flight and Tactical
Simulator (for Seaking helicopters)
FDI Foreign Direct Investors
FDN Floating Dock Naval
FF Frigate
FFE Free Foreign Exchange
FFG Guided-missile Frigate
FIAM Flight in Air Material (for air dropped torpedoes)
FII Foreign Institutional Investors
FIR First Information Report
FLIR Forward Looking Infra Red (sensor system that displays
heat /infrared emitting objects)
FM Finance Minister
FMCT Fissile Materials Cut offTreaty
FMU Fleet Maintenance Unit
FN French Navy
FOBNA Flag Officer Bombay Naval Area
FOC Flag Officer Commanding
FOCEF Flag Officer Commanding Eastern Fleet
FOCIF Flag Officer Commanding Indian Fleet
FOCINC Flag Officer Commanding in Chief
FOCOD Flag Officer Commanding Offshore Defence
FOCRIN Flag Officer Commanding Royal Indian Navy
FOCWEF Flag Officer Commanding Western Fleet
FODAG Flag-officer Offshore Defence Advisory Group
FOGA Flag Officer Goa Area
FOGNA Flag Officer Goa Naval Area
FOL Fuel, Oil and lubricants
FOMA Flag Officer Maharashtra Area
FONA Flag Officer Naval Aviation
FORTAN Fortress Commander Andaman and Nicobar Islands
FOSM Flag Officer Submarines
FOST Flag Officer Sea Training
Foxtrot NATO nomenclature of Russian submarines (
FPB Fast Patrol Boat
FPV Fast Patrol Vessel (Coast Guard)
Frogmen Underwater Commandos
FRU Fleet Requirement Unit
FXP Fleet Exercise Programme
G
GDP Gross Domestic Product
GE General Electric
GEBCO General Bathymetric Chart of the Oceans
GED General Engineering Department
GENMAS Genform Management System
GFR General Finance Regulations
GKES State Committee for Foreign Economic Relations
GMDSS Global Maritime Distress Safety and Rescue Services Scheme
GNP Gross National Product
GNS/GPS Global Navigation System/Global Positioning System
(GOC General Officer Commanding (Army)
GOCINC General Officer Commanding in Chief (Army)
GOM Group of Ministers
GOO Group of Officers
GRSE Garden Reach Shipbuilding and Engineering (in Calcutta)
GRT Gross Registered Tons (ship size)
GRW Garden Reach Workshops (in Calcutta later renamed GRSE)
GSE Ground Support Equipment (for aircraft)
GSL Goa Shipyard Limited (in Goa)
GSQR General Staff Qualitative Requirement
GTD General Technical Department
GTRE British’ Gas Turbine Repair Establishment
GTOC Gas Turbine Overhaul Centre

9. GTs Gas Turbines
H
H/O Handing Over
HAL Hindustan Aircraft Limited
HAS Helicopter Anti Submarine
HATs Harbour Acceptance Trials
HDL Hooghly Docking Ltd, Calcutta
HDW Howal Deutsch Werke (German Submarine
Construction fi
rm)
HF High Frequency (long distance communications)
HF R/T High Frequency Radio Telephony (voice
communications between MR aircraft and MOR)
HIV Human Immuno-defi
ciency Virus
HK Seahawk(British carrier borne aircraft)
HLBH High Level Budget Holders
HLC High Level Committee
HMI Himalayan Mountaineering Institute, Darjeeling
HMIS His Majesty’s Indian Ship
HMS His/Her Majesty’s Ship/Submarine(British)
HP High Pressure
HPCL Hindustan Petroleum Corporation Limited
HQ Headquarters
HQ Headquarters
HQ WNC Headquarters Western Naval Command
HQANC Headquarters Andaman and Nicobar Command
HRA House Rent Allowance
HRD Human Resources Development
HSL Hindustan Shipyard Limited, Visakhapatnam
HUMINT Human Intelligence (persons specifi
cally trained for
intelligence tasks)
HUMVAD Hull Mounted and Variable Depth sonar
hz hertz (unit of frequency)
I
I/C In-Charge
IAC Indigenous Aircraft Carrier
IAEA International Atomic Energy Agency
IAF Indian Air Force
IB Intelligence Bureau (India’s internal intelligence agency)
IB(s) Interceptor Boats (Coast Guard)
IBL International Boundary Line
IC Internal Combustion
ICCP Impressed Cathodic Current Protection (electric
system activated in harbour to minimise underwater
hull corrosion and prolong hull life)
ICE Internal Combustion Engine (e.g. diesel engine)
ICG Indian Coast Guard
ICS Indian Civil Service (later called IAS)
IDAS Indian Defence Accounts Service
IDEX Indian Defence Exercise
IDSA Institute of Defence Studies and Analysis (in Delhi)
IEDs Improvised Explosive Devices
IFA Integrated Financial Adviser
IFF Identifi
cation Friend or Foe (radar-associated
interrogator facility to identify friendly contacts
appearing on radar. Lack of response is classifi
ed
as foe)
IFR International Fleet Review (held in Mumbai in
February 2001)
IFS Indian Foreign Service
IFTU Intensive Flying Training Unit (evaluates naval aircraft
on induction)

10. IGA Inter Governmental Agreement (umbrella agreement
for acquisition of Soviet/Russian military supplies)
IHB International Hydrographic Bureau
IHO International Hydrographic Organisation
IHOP Integrated Hull Outfi
t & Painting
IIS Indian Institute of Science
xxxvi
TRANSITION TO GUARDIANSHIP
IIT Indian Institute of Technology
IKL Ingeneer Kontor Lubeck (German Submarine
Designing fi
rm)
IL Prefi
x for type of Russian aircraft manufactured by
Ilyushin
ILMS Integrated Logistic Management System (Navy)
IMA Indian Military Academy
IMD Indian Meterological Department
IMO International Maritime Organisation
IMS Inshore Minesweeper
IMSF Indian Marine Special Force
IN Indian Navy
INAS Indian Naval Air Squadron
INBR Indian Naval Book of References
INCB International Narcotics Control Bureau/ Indian Naval
Charge Books
INCS Indian Naval Canteen Service
INDLT Indian Naval Design & Liaison Team
INDQ Indian Navy Detention Quarters
INHS Indian Naval Hospital Ship (Asvini in Mumbai,
Sanjivani in Kochi, Kalyani in Vizag, Kasturi in Shivaji,
Jeevanti in Goa, Nivarini in Chilka, Dhanvantri in Port
Blair, Patanjali in Karwar)
INMAC Indian Naval Met Analysis Centre
INMARSAT Indian Maritime Satellite
INMI Indian Naval Manoeuvering Instructions
INS Indian Naval Ship/Submarine
INSA Indian Naval Sailing Association
INSMA Indian Naval Ships Maintenance Authority
INSOT Indian Naval Submarine Overseeing Team
INSV Indian Naval Sailing Vessel
INTEG Indian Navy Tactical Evaluation Group
IOC Inter-Governmental Oceanographic Commission
IONS Indian Ocean Naval Symposium
IORARC Indian Ocean Rim Association for Regional
Cooperation
IPADS Integrated Pay Accounting & Disbursement System
IPC Initial Provisioning Committee (constituted for every
new type of ship/submarine/aircraft to recommend
the range and scale of spares to be ordered for each
fi
tted equipment for stocking ‘On Board’ and in the
‘Base & Depot’ stores).
IPKF Indian Peace Keeping Force (in Sri Lanka 1987 to
1990)
IPS Indian Police Service
IPV Inshore Patrol Vessel (Coast Guard)
IRC Integrated Repairs Complex
IRLS Infra Red Line Scan (detection system fi
tted in
aircraft)
ISBA International Sea Bed Authority
ISC Information Sharing Centre
ISI Indian Standards Institution (now BIS-Bureau of Indian
Standards) / Inter Services Intelligence (Pakistan)

11. ISRO Indian Space Research Organisation
ISRR Indian Search & Rescue Region
ISW India Supply Wing (in London)
IT Information Technology
ITI Industrial Technical Institute
ITTE Integrated Type Training Establishment (at Vizag in
the 1960s and 1970s)
IW Information Warfare
IWTA Inland Water Transport Authority (East Pakistan)
J
J & K Jammu and Kashmir
JCB Joint Cipher Bureau
JCOs Junior Commissioned Offi
cers (Army counterparts of
naval MCPOs and CPOs)
JCP Joint Coastal Patrol
JCS Joint Chiefs of Staff
JDS Japan Defence Ship
JET Joint Exercises at Trincomalee (in the 1950s)
JIC Joint Intelligence Committee
JISWOG Joint Indo Soviet Working Group on Shipbuilding (now
JIRWOG)
JS Joint Secretary
JSEPC Joint Services Equipment Planning Committee
JSM Joint Services Memorandum
JSQR Joint Services Qualitative Requirement
JVP Janata Vimuki Peramuna
JWO Junior Warrant Offi
cer
K
K 25 Senior Offi
cer 25th Missile Boat Squadron
KA Prefi
x for Russian helicopters manufactured by
Kamov
KBPS Kilo Bytes Per Second
Kilo Class NATO nomenclature of Russian submarine (see EKM)
Kms Kilometres
Knot unit of ship speed - one nautical mile per hour
Kochi (K) New name of Cochin
Kockums Swedish Submarine Design and Construction fi
rm
Kolkata New name of Calcutta
KRC Kargil Review Committee
KSL Kochi Shipyard Ltd
KV Kendriya Vidyalaya (Central School)
L
Lakh One hundred thousand rupees
LAN Local Area Network
LAPADS Lightweight Airborne Passive Acoustic Detection
System (inducted in SK 42 B helicopters)
LCA Light Combat Aircraft
LCB Least Cost Basis
LCC Life Cycle Cost
LCU Landing Craft Utility
LEMP Leading Electrical Mechanic Power (Rank)
Lepus Swedish, aircraft dropped, fl
are bomb to illuminate a
target at night to assist air attack
LFDS Low Frequency Dunking Sonar
LIMA Lang International Maritime & Aerospace Exhibition
LLMC Long Logistics Management System
LMA Laccadive, Minicoy and Amindivi (islands now called
Lakshadweep)
TRANSITION TO GUARDIANSHIP
xxxvii

12. LME Leading Mechanical Engineering (Rank)
LMGs Light machine guns
LND Local Naval Defence
LOC Line of Control
LOFAR Low Frequency Acoustic Ranging (enables detection
of submarines at long ranges)
LOGDEL Logistics Delegations
LOGREQ Logistic Requirement (signal)
LOI Letter of Intent
LOP List of Priority Orders
LPD Landing Platform Dock
LPG Liquifi
ed Petroleum Gas
LPO Local Purchase Order for critical items. (Can be raised
for both foreign and local items, Soviet demand
procedure for meeting operationally required spares
for ships/submarines/ aircraft)
LPR Local Purchase Request
LRMP Long Range Maritime Patrol (aircraft)
LRU Line Replacement Unit (for ‘repair by replacement’ in
aircraft and helicopters)
LS Leading Seaman(Rank)
LST Landing Ship Tank (M)-Medium, (L)-Large
Lt Lieutenant(naval rank)
Lt Cdr Lieutenant Commander(naval rank)
LTA Light Transport Aircraft
LTPP Long Term Perspective Planning
LTTE Liberation Tigers of Tamil Eelam)
LWT Local Workup Team
M
MAD Magnetic Anomaly Detector (sensor in naval aircraft/
helicopters for detecting submarines)
MADDLs Mirror Assisted Dummy Deck Landings (done by
carrier borne aircraft on shore airfi
elds prior to
embarkation)
MAN Metropolitan Area Network
MARCOS Marine Commandos
Maritime Relating to navigation or commerce on and in the sea.
MARS Marine Acoustic Research Ship
MAT Manning And Training (series of committees for
working out the complements of Russian origin ships
and the training of their commissioning crews)
MATCH Multi-role Anti Submarine Torpedo Carrying
Helicopter
MBPS Mega Bytes Per Second
MCERA Master Chief Engine Room Artifi
cer(Rank)
MCF Marine Commando Force
MCM Mine Countermeasures
MCPO Master Chief Petty Offi
cer (I/II — First/Second Class)
MCR Machinery Control Room (in ships)
MDL Mazagon Docks Limited (in Bombay)
MEA Ministry of External Aff
airs
MERs Matric Entry Recruits (Sailors), Now SSR Senior
Secondary (10+2) Recruit
MES Military Engineering Services (Inter-service
organisation for all defence building construction and
maintenance)
Met Meteorology
MFER Ministry of Foreign Economic Relations
MGB Main Gear Box (of helicopters)
MGO Master General Ordnance
MHA Ministry of Home Aff

13. airs
MHQ Maritime Headquarters
MI Prefi
x for Russian helicopters manufactured by
Mikoyan
MIC Military Industrial Complex
MILSPECS Specifi
cations for Military Equipment
MIS Management Information System
Mk Mark (British codifi
cation to indicate successive
improvement in equipment)
MLR Money in Lieu of Rations (for sailors)
MLU Mid Life Update
MMCB Mobile Missile Coast Battery
MO Medical Offi
cer/Material Organisation (naval
logistics)
MOC/MOR Maritime Operations Centre (formerly Maritime
Operations Room)
MOD/MoD Ministry of Defence
MoF Ministry of Finance(Defence Navy)
MOST Ministry of Surface Transport
MOU Memorandum of Understanding (signed between two
Governments to formalize the scope of cooperation in
matters of mutual interest)
MP Manning Plan (issued by NHQ periodically indicating
the number of offi
cers and sailors that will be appointed
to ships and establishments in view of manpower
shortages)
MPA Maritime Patrol Aircraft
MPT Madras Port Trust (now Chennai Port Trust)
MR Medium Range (guns), Maritime Reconnaissance
MRASW Maritime Reconnaissance and Anti Submarine Warfare
(naval aircraft)
MRs Medium Repairs (six-yearly refi
ts of Russian ships and
submarines)
MRSOW Maintenance Reserve and Strike-Off
Wastage (for
aircraft and helicopters)
MS Material Superintendent (naval logistics)/Military
Secretary
MS (Act) Maritime Safety
MT Motor Transport / Mechanical Transport
MTBF Mean Time Between Failures
MTBO Mean Time Between Overhaul
MTCR Missile Technology Control Regime
MTD Motor Transport Driver
MTE Mechanical Training Establishment
MTTR Mean Time To Repair (Equipment)
MTU Machinery Trail Unit
Mumbai New name of Bombay
MV Merchant Vessel
MVC Maha Vir Chakra (gallantry award of a very high
order)
MWCs Maritime Warfare Centres (formerly TACT ‘B’ at
Mumbai, ASTT at Cochin & ASTT at Vizag)
xxxviii
TRANSITION TO GUARDIANSHIP
N
NA Naval Attaché (in embassies)/Naval Adviser (in High
Commissions)
NAD Naval Armament Depot
NAI Naval Armament Inspection

14. NAIS Naval Aircraft Inspection Service
NAQAS Naval Aeronautical Quality Assurance Service (earlier
known as NAIS)
NARO Naval Aircraft Repair Organisation (subsequently
renamed NAY)
NAS Naval Air Station
NASDO Naval Aircraft Servicing Development Organisation
NASO Naval Armament Stores Offi
cer
NATO North Atlantic Treaty Organisation
NATS Naval Air Technical School(subsequently renamed
Naval Institute of Aeronautical Technology)
NAVAC Project designation of the new Naval Academy at
Ezhimala(Kerala)
Naval Relating to ships or shipping
NavDet Naval Detachment
NAY Naval Aircraft Yard (earlier known as NARO Naval
Aircraft Repair Organisation
NBC Nuclear, Biological and Chemical (weapons)
NBCD Nuclear, Biological and Damage Control
NCA National Command Authority
NCC National Cadet Corps
NCCR National Cadet Corps Rifl
es
NCML Naval Chemical and Metallurgical Laboratory
NCNC No Cost No Commitment
NCR Non Convertible Rupee (used for Indo Russian rupee-
rouble trade)
ND Navigation (and aircraft) Direction (specialisation)
NDA National Defence Academy
NDC National Defence College
NDES Naval Dockyard Expansion Scheme
NDT Non Destructive Testing
NDU National Defence University
NEDCO M/s Netherlands Engineering Consultants of
Netherland
NEVESBU Netherlands Warship Design Bureau
NGRI National Geographical Research Institute
NGS Naval Gunfi
re Support (bombardment by ships’
gunfi
re from seaward to support army operations on
land)
NHO National/Naval Hydrographic Offi
ce
NHQ Naval Headquarters (now known as Integrated
Headquarters Ministry of Defence (Navy) IHQ MoD
(Navy)
NIAT Naval Institute of Aeronautical Technology formerly
Naval Air Technical School NATS)
NIC National Informatics Centre
NIETT Naval Institute of Education Technology and Training
NIEWP Naval Indigenous Electronic Warfare Programme
NIO National Institute of Oceanography
NIOHC North Indian Ocean Hydrographic Commission
NIOT National Institute of Ocean Technology
NKG Naval Kindergarten
nm Nautical mile of 2000 yards (vis a vis terrestrial mile of
1760 yards)
NM Nao Sena Medal (awarded for gallantry in the face of
the enemy. Also awarded for sustained operational
profi
ciency not considered as gallantry)
NMERs Non-Matric Entry Recruits (Sailors) now Matric Entry
for Cooks, Stewards & Musicians
NMI Nehru Mountaineering Institute Uttarkashi
NMS New Management Strategy (Navy)

15. NODC National Oceanographic Data Centre
NODPAC Naval Oceanographic Data Processing and Analysis
Centre
NOIC Naval Offi
cer in Charge
NORA Naval Offi
cers Residential Area
NPOL Naval Physical and Oceanography Laboratory
NPS Naval Public School
NPT Non Proliferation Treaty (as applicable to nuclear
weapons and technology)
NQAS Naval Quality Assurance Service (formerly Naval
Aircraft Inspection Service NAIS)
NRIs Non Resident Indians
NRs Navigation Repairs (Russian ships)/Normal Refi
ts
(other ships — 3-yearly Current Repairs for Russian
ships and submarines)
NSB Naval Selection Board/Not Stocked Before (for
stores)
NSC National Security Council
NSD Naval Store Depot
NSEC Naval Standing Establishment Committee
NSO Naval Stores Offi
cer
NSQRs Naval Staff
Qualitative Requirements
NSRY Naval Ship Repair Yard
NSTL Naval Science and Technology Laboratory
NTG Naval Technical Group
NVG Night Vision Goggles
O
O i/C Offi
cer-in-Charge
OBM Over Board Machinary
OCA Operational Control Authority (Navy)
ODAG Off
shore Defence Advisory Group
ODOC Off
shore Defence Operations Centre
OEM Original Equipment Manufacturer.
OF Ordnance Factory
OFB Ordnance Factory Board
OFC Oceanographic Forecasting Cell
OHT Overt the Horizon Targeting
OJT On Job Training (refers to the practical ‘hands-on’
training by an outgoing crew to an incoming crew)
OMB Offi
ce of the Management & Budget
ONGC Oil and Natural Gas Commission
OOD Offi
cer of the Day (in ships and submarines)
OOW Offi
cer of the Watch (in ships and submarines)
OP/Ops Operation
OPDEF Operational Defect (report made by ships and
submarines)
OPEC Organisation of Petroleum Exporting Countries
TRANSITION TO GUARDIANSHIP
xxxix
OPSTATE Operational State (report made by ships and
submarines)
OPV Off
shore Patrol Vessel
ORE Operational Role Equipment
ORI Operational Readiness Inspection

16. ORR Operational Readiness Return (for aircraft and
helicopters)
ORVs Oceanic Research Vessel
OSCC Off
shore Security Coordination Committee
OSD Offi
cer on Special Duty
OTA Offi
cers Training Academy
OTC Offi
cer in Tactical Command
OTH Over Th
e Horizon (detection, etc)
OTHT Over Th
e Horizon Targetting
OTIs Operating and Tactical Instructions(Ships, submarines and aircraft)
P
PAF Pakistan Air Force
PAMS Personal & Administration Management System
PAWA N The name of the Inter-Service Operation in Sri Lanka
(1987–1990)
PBOR Personnel Below Officer Rank
PC Personal Computer
PCT Pre Commissioning Training
PDA Principal Defence Advisor
PDRs Pre Determined Routes (for civil airliners)
PDS Principal Defence Secretary
PIMS Personnel Information Management System
PM Prime Minister/Pradhan Mantri/After midday
PMA Project Management Authority
PMA Principal Military Advisor
PMB Project Management Board
PMF Practice Missile Firing
PMO Prime Minister’s Office
PN Pakistan Navy
PNC Price Negotiating Committee (for major acquisitions)
PO Petty Officer(Rank)
POK Pakistan Occupied Kashmir
POL Petrol, Oil and Lubricants
PPM Planned Preventive Maintenance
PPOC Principal Personnel Officers Committee
PR Photo Reconnaissance/ Public Relations.
PRWONAM Prediction of Regional Weather Using Observational Meso-Network & Atmospheric
Modellingpsi Pounds per square inch (pressure)
PSO Principal StaffOfficer (in Service Headquarters)
PSOC Principal Supply Officers Committee
PSU Public Sector Undertaking (government owned undertaking)
PTA Pilotless Target Aircraft (for anti aircraft/ missile firing practices)
PTI Physical Training Instructor
PVC Param Vir Chakra (gallantry award of the highest
order)
PVSM Param Vishisht Seva Medal (award for distinguished service of the highest order)
PWD Public Works Department
PWSS Port War Signal Station(at harbour entrance)
Q
QR Qualitative Requirement
QRF Quick Reaction Force (helicopter-borne commandos)
R
R & D Research and Development
R Adm Rear Admiral
R&AW Research and Analysis Wing (India’s external intelligence agency)
R&D Research and Development
R/T Radio Telephony
R/V Rendezvous (meeting point at sea)
RADAR Radio Detection and Ranging device (above the sea)
RAF Royal Air Force

17. Rating British naval nomenclature for a Sailor
RCC Recompression Chamber (divers)
RCD Regional Cooperation for Development(Pakistan, Iran, Turkey)
RCS Radar Cross Section (a measure of radar reflectivity.
The concept of “stealth” aims to design ships and aircraft to minimise radar reflectivity and hence
radar detectability.)
RCTB Radio Controlled Target Boat (for surface gunnery firings)
RDX Research Department Explosive (of British origin)
RE Revised Estimate
ReCAAP Regional Agreement for Combating Piracy & Armed
Robbery
Recce Reconnaissance
Retd Retired
RGB Russian abbreviation for sonobuoy (Radio
Gydroacoustic Buoy)
RIB Rigid Inflatable Boat
RIMC Rashtriya Indian Military College
RIN Royal Indian Navy
RINEX Russia-India Joint Naval Exercises
RINR Royal Indian Navy Reserve
RINVR Royal Indian Navy Volunteer Reserve
RM Raksha Mantri
RM Raksha Mantri (Defence Minister)
RMA Revolution in Military Affairs
RMA Revolution in Military Affairs
RN Royal Navy (British)
RNA Revolution in Naval Affairs
RNO Resident Naval Officer
RO Reverse Osmosis (technology/plant on board ships and submarines to convert sea/brackish water
to potable water)
ROE Rules of Engagement
RPM Revolutions Per Minute
RQAS Regional Quality Assurance Service (formerly Regional
Aircraft Inspection Service)
RRM Rajya Raksha Mantri (Minister of State for Defence)
xl
TRANSITION TO GUARDIANSHIP
RTD Repair Technical Documentation (Russian)
Rupee Indian currency
RVZ RosVorooZenia (Name of Russian Government
Weapon Corporation — formerly GED and GTD)
RZ Rocket Zenithnee (anti aircraft missile as in RZ 13 and RZ 61) Russian abbreviation
S
S/M Submarine
SA Scientific Adviser (to the Defence Minister/CNS). Also
Supplementary Agreement (to procure items from Russia)
SAARC South Asian Association for Regional Cooperation
SADC South African Development Community
SAFs Singapore Armed Forces
SAG Surface Action Group
SAIL Steel Authority of India Limited
SAM Surface to Air (guided) missile
SANGRAM Tactical Wargaming Software
SAREX Search and Rescue Exercise(by ships, aircraft and helicopters at sea)
SATCOM Satellite Communication
SATs Sea Acceptance Trials
SAU Search & Attack Unit (of ships for an anti submarine operation)
SBS Special Boat Section (commandos)
SCAR Scientific Committee on Antarctic Research
SCC Sea Cadet Corps
SCON DVAStanding Committee on National Defence and Veteran’s Affairs
SCS Sea Control Ship
SD Special Duties (cadre of offi
cers promoted from the
senior sailor cadre)/Ships Diver
SDAV Special Duty Aviation

18. SDB Seaward Defence Boat
SDC Special Duty Communication
SDF Self Defence Force
SDG Submarine Design Group
SDRS Ships Defect Reporting System
Sea I Seaman First Class(Rank)
Seabird Project designation of the new naval base at Karwar (in Karnataka)
SEAL Sea, Air & Land (US Navy acronym for their Marine Commandos)
SEATO South East Asia Treaty Organisation
SEM Sea Eagle Missile (British Air to Surface anti-ship missile)
SENSO Sensor Operator (refers to sailor manning an airborne sensor)
SFC Strategic Forces Command.
SFNA School for Naval Airmen
SFR Services Futuristic Requirement
SHAR Sea Harrier
SHIKARI Shipborne Ka & I band Radar Integrated
SHIKSHA Annual War Game/Exercise carried out on shore
SHOPS Ships Operating Standards (Promulgated by NHQ, lay down department-wise standard of
proficiency to be achieved annually by each type of ship and submarine)
SI Signals Intelligence
Sidewinder Nomenclature of American air-to-air missile
SIMHIKA Indigenous Airborne Sonobuoy Processing System
SITREP Situation Report (a report which summarises the present situation)
SK Abbreviation for Seaking
Skyhawk Nomenclature of American carrier borne aircraft
Skylark Project Designation for Submarine VLF Communication facility, present INS Kattabomman
SLAF Sri Lankan Armed Forces
SLMS Ship Logistics Management System
SLOC Sea Lines of Communication
SMA Ship Maintenance Authority
SME Squadron Mobile Equipment (accompanies the
squadron when it moves from ship to ship or ship to shore and vice versa)
SMP Self Maintenance Period (a period, normally in harbour,
when a ships company carries out maintenance without outside assistance)
SMU Ship Maintenance Unit
SNC Southern Naval Command
SNF Soviet Naval Frigates
SNOM School of Naval Oceanology & Meteorology
SNSO Senior Naval Stores Officer
SOC Senior Offi
cers Conference in Oct/Nov annually
SOMC Stabilised Operational and Manning Cycle (for manning ships)
SONAR Sound Navigation and Ranging (underwater)
SOP Standard Operating Procedure
SPDC Spare Parts Distribution Centre
SPO Store Petty Officer(Rank)
SPR Soviet Project Report
SRD Sagar Rakshak Dal
SRV Submarine Rescue Vessel
SSB Services Selection Board
SSBN Nuclear Propelled Ballistic Missile Firing Submarine
SSE Speech Secrecy Equipment (for aircraft to ship/
C116shore high frequency radio-telephone communication)
SSG Special Services Group (commandos)
SSI Small Scale Industry
SSK Submarine Search and Kill (conventional diesel/
electric-powered, quiet, Hunter Killer submarines).
Project Designation of the German HDW 1500 submarines built in India
SSM Surface to Surface (anti-ship) Missile
SSN Nuclear powered attack submarine
STE Sailors Training Establishment (INS Chilka in Orissa)
STEA Strategic and Technological Environment Assessment
STEALTH Technology of designing warships and aircraft to minimise their detection by adversary
radars and infrared sensors
STI Science & Technology Initiative
STOL Short Take Off and Landing (as applicable to Sea Harrier aircraft)
TRANSITION TO GUARDIANSHIP

19. xli
STOPs Short Term Operating Cost Plans
STORM Severe Thunderstorm Observational & Regional Modelling
STOVL Short Take Offand Vertical Landing (as applicable to
Sea Harrier aircraft)
STS Sail Training Ship
surgeon Shipwright Artificer(Rank)
T
TA Territorial Army
TACOM Tactical Committee
Tadpole Indigenous Sonobuoy developed with the airborne Simhika system
TAS Torpedo Anti Submarine (officer specialisation)/
Towed Array Sonar
TBR Torpedo Body Room
TCC Technical Co-ordination Committee
TCM Torpedo Countermeasures
TEC Technical Evaluation Committee (precedes Price
Negotiation Committee, PNC)
TECHINT Technical Intelligence (Systems and Equipment specifically designed for intelligence tasks)
TF Task Force
TG Task Group
TIFR Tata Institute of Fundamental Research (Bombay)
TLBH Top Level Budget Holders
TLM Tube Launched Missiles
TN Tamil Nadu
TOT Transfer of Technology/Time on Task
TOTED Towed Torpedo Decoy
TPW Torpedo Preparation Workshop
TRV Torpedo Recovery Vessel
TTB Target Triggered Burst (of proximity fuzed shells and missiles against incoming aircraft/missiles
TU Prefix for Russian aircraft manufactured by Tupolev
TW Territorial Waters (also Trade Warfare)
TWA Towed Wire Array
U
UAE United Arab Emirates
UAV Unarmed Aerial Vehicle (for reconnaissance/surveillance over land and sea)
UE Unit Establishment (number of aircraft earmarked for flying tasks from the total holding of the air
squadron)
UHF Ultra High Radio Frequency (for short distance communications, 300,000 to 3,000,000 khz)
UK United Kingdom (Britain)
UN United Nations
UNCLOS United Nations Conference on the Law of the Sea
UNDP United Nations Development Programme
UNESCO United Nations Educational Scientific & Cultural Organisation
UNICEF United Nations International Children’s Emergency Fund
UNIDO United Nations Industrial Development Organisation
UNITAF Unified Task Force
UOTC University Officers Corps
UPSC Union Public Service Commission (conducts tests for
persons aspiring the join the Armed Forces)
US/USA United States/United States of America
USI United Services Institution
USS United States Ship
USSR Union of Soviet Socialist Republic (Soviet Union till 1991, thereafter Russia)
UTC University Training Corps
UW Under Water
V
V Adm Vice Admiral (Rank)
V/S Visual Signaling
VA Vulnerable Area (classification for purposes of Air Defence)
VAT Versatile Acoustic Target (for airborne sonobuoys, helicopter-borne sonars and homing torpedo
trials/exercises)
VATMS Vessel & Air Traffic Management System
VCAS Vice Chief of the Air Staff
VCDS Vice Chief of Defence Staff
VCJS Vice Chief of Joint Staff

20. VCNS Vice Chief of the Naval Staff
VCOAS Vice Chief of the Army Staff
VDS Variable Depth Sonar(enables the sonar of a fast moving ship to be lowered on a cable, deep
into the sea to detect submarines)
VHF Very High Radio Frequency 30,000 to 300,000 khz)
VIP Very Important Person
Vizag (V) Vizagapatam /Visakhapatnam
VLCC Very Large Crude-oil Carrier
VLF Very Low Frequency (for communication with submerged submarines, 10 to 30 khz)
VMT Very Many Thanks (naval abbreviation used for saying ‘thank you’)
VoA Voice of America
VP Vulnerable Point (classification for purposes of Air Defence)
VrC Vir Chakra (award for gallantry of a high order)
VSAT Very Small Aperture Terminal
VSM Vishisht Seva Medal (award for distinguished service)
VSNL Videsh Sanchar Nigam Limited
VSSC Vikram Sarabhai Space Centre
VT Variable Time (as applicable to radio proximity fuzes fitted on gun-fired anti-aircraft ammunition)
VTOL Vertical Take Offand Landing (as applicable to Sea Harrier aircraft)
VVIP Very Very Important Person
W
W/T Wireless Telegraphy
WAN Wide Area Network
WATT Warship Acceptance Trials Team
WAU Weapon Analysis Unit
WB West Bengal
xlii
TRANSITION TO GUARDIANSHIP
WECORS Weapon Control and Repair Shop ( Bombay)
WED Weapon Equipment Depot
WEPPS Web Enabled Production & Planning
WEQC Web Enabled Quality Control
WESEE Weapon & Electronic Systems Engineering
Establishment (successor of WESO)
WESO Weapons & Electronic System Organisation
WEWI Web Enabled Work Instructions
WMD Weapons of Mass Destruction(namely, Biological and
Chemical weapons)
WMO World Meteorology Organisation
WNC Western Naval Command
WOT Warship Overseeing Team
WOTS Women Officers Training School
WOTS Women Officers Training School
WPS Warship Production Superintendent
WRINS Women’s Royal Indian Naval Service
WSAG Washington Special Action Group (1971 India–Pakistan War)
WW I 1914–1918 World War (also known as First World War)
WW II 1939–1945 World War (also known as Second World War)
WWO Warship Workup Organisation
WWR War Wastage Reserves
X
X Craft Midget submarines for penetrating harbours
XFAC Extra Fast Attack Craft
XO Executive Officer (2nd in command of a ship/naval
establishment. Also officer of the Executive Branch)
Y
YARD Yarrow Admiralty Research & Development
YSM Yudh Seva Meda
A.A.
Anti-aircraft.
A.B.C.E.F.
Arabian Bengal Ceylon Escort Force.
A.B.V.

21. Armed Boarding Vessels.
A.C.E.S.
Amenities, Comforts and Entertainments for the Services.
A.D.J.A.
Assistant Deputy Judge Advocate.
A.I.C.
Action Information Centre.
A.I.O.C.
Anglo-Iranian Oil Company.
A.M.C.
Armed Merchant Cruisers.
A.M.T.C.
Army Medical Training Centre.
A.M.V.
Armed Merchant Vessel.
A/S
Anti-submarine.
A.S.D.I.C.
Allied-Submarine Detection Investigation Committee.
A.S.T.O.
Assistant Sea Transport Officer.
A.T.R.O.
Assistant Technical Recruiting Officer.
B.G.O.
Base Gunnery Officer.
B.L.
Breech Loading.
B.L.O.
Bombardment Liaison Officer.
B.O.R.
British Other Rank.
B.R.N.V.R.
Burma Royal Naval Volunteer Reserve.
B.S.S.
Beach Signal Station.
B.Y.M.S.
British Yard Mine Sweepers.
C.B.
Companion of the Bath.
C.B.E.
Commander of (the Order of) the British Empire.
C.Bs
Confidential Books.
C.C.F.E.T.
Captain Coastal Forces Eastern Theatre.
C-in-C
Commander-in-Chief.
C.I.E.
Companion of (the Order of) the Indian Empire.
C.M.G.
Companion of (the Order of) St. Michael and St. George.
C.O.
Commanding Officer.
C.O.F.
Captain of the Fleet.

22. C.P.O.
Chief Petty Officer.
C.S.
Continuous Service.
C.S.I.
Companion of (the Order of) the Star of India.
D.A.R.D.
Director of Admiralty, Research and Development.
D.C.&S.C.(I)
Director of Civil and Services Censorship (India).
D.E.M.S.
Defensively Equipped Merchant Shipping.
D.G.S.R.
Director General Ship Repairs.
D.J.A.
Deputy Judge Advocate.
D.R. (Position)
Dead Reckoning (Position).
D.S.C.
Distinguished Service Cross.
D.S.M.
Distinguished Service Medal.
D.S.O.
Distinguished Service Order.
E.As
Electrical Apprentices.
E.C.O.
Emergency Commissioned Officer.
Ex.O.
Executive Officer.
F.C.B.
Fire Control Box.
F.D.S.
Fauji Dilkhush Sabha.
F.K.C.
Fuze Keeping Clock.
F.M.O.
Fleet Mail Officer.
F.O.B.
Forward Observer Bombardment.
FOCRIN
Flag Officer Commanding Royal Indian Navy.
F.P.S.C.
Federal Public Services Commission.
G.
Gunnery.
G.H.Q.
General Headquarters.
G.M.O.
Gun Mounting Officer.
H.A.
High Angle.
H.D.M.L.,
Harbour Defence Motor Launch.
H.E.

23. High Explosive.
H.M.A.S.
His Majesty's Australian Ship.
H.M.G.
His Majesty's Government.
H.M.I.S.
His Majesty's Indian Ship.
H.M.S.
His Majesty's Ship.
H.O.
Hostilities Only.
H.Q.
Headquarters.
I.A.M.C.
Indian Army Medical Corps.
I.A.O.C.
Indian Army Ordnance Corps.
I.D.S.M.
Indian Distinguished Service Medal.
I.M.D.
Indian Medical Department.
I.M.H.
Indian Military Hospital.
I.M.M.T.S.
Indian Mercantile Marine Training Ship.
I.M.S.
Indian Medical Service.
I.N.C.S.
Indian Naval Canteen Service.
I.O.R.
Indian Other Ranks.
I.S.D.P.S.
Inter-Services Demobilisation Planning Staff.
I.S.S.A.B.
Indian Sailors' Soldiers' and Airmen's Board.
I.S.S.C.S.
Inter-Services Security Co-ordination Section
I.S.S.D.
Inter-Services Security Directorate.
I.W.T.
Inland Water Transport.
J.A.
Judge Advocate.
J.P.
Justice of the Peace.
K.C.B.
Knight Commander of (the Order of) the Bath.
K.C.I.E.
Knight Commander of (the Order of) the Indian Empire.
L.A.
Low Angle.
L.C.A.
Landing Craft, Assault.
L.C.B.
Landing Craft, Base.

24. L.C.I.(L)
Landing Craft, Infantry (Large).
L.C.M.
Landing Craft, Mechanized.
L.C.P.(L)
Landing Craft, Personnel (Large).
L.C.S.
Landing Craft, Support.
L.C.S.(M)
Landing Craft, Support (Medium).
L.C.T.
Landing Craft, Tank.
L.C.W.
Landing Craft, Wing.
L.N.D.
Local Naval Defence.
Leg. Sto.
Leading Stoker.
L/S
Leading Seaman.
L.S.A.
Leading Store Assistant.
L.S.I.
Landing Ship, Infantry.
Lt.
Lieutenant.
Lt. Cdr.
Lieutenant Commander
M.B.E.
Member of (the Order of) the British Empire.
M.C.
Military Cross.
M.F.V.
Motor Fishery Vessel.
m.g.
Machine gun.
M.G.O.
Master General of the Ordnance.
"M.K." mutton
Sheep killed by Muslim.
M.L.
Motor Launch.
M.O.
Medical Officer.
M/S
Minesweeper
M.S.F.
Mine Sweepers, Flotilla.
M.T.
Motor Transport; Mechanical Transport.
M.T.B.
Motor Torpedo Boat.
M.T.E.
Mechanical Training Establishment.
M.T.F.R.

25. Miniature Tracer Firing Range.
M.V.O.
Member of the (Royal) Victorian Order.
N.C.O.
Non-Commissioned Officer.
N.C.S.
Non-Continuous Service.
N.H.Q.(I)
Naval Headquarters (India).
N.O.I.C.
Naval Officer-in-Charge.
N.S.K.O.
Naval Store Keeping Officer.
N.S.O.
Naval Store Officer.
N.W.F.P.
North-West Frontier Province.
O.B.E.
Officer of (the Order of) the British Empire.
O.C.A.S.
Officer-in-Charge Armament Supply.
O.E.T.D.
Ordnance Export Transit Depot.
O.O.D.
Order of the Day.
O.O.Q.
Officer of the Quarter.
O.O.W.
Officer of the Watch.
Ord. Seaman
Ordinary Seaman.
P.O.
Petty Officer.
P&O
Peninsular and Oriental (Company)
P.S.T.O.
Principal Sea Transport Officer.
P.T.
Physical Training.
P.T.I.
Physical Training Instructor.
Q.F.
Quick Firing.
Q.R.
Quarter Range.
R.
Repeated.
R.A.F.
Royal Air Force
R.A.O.C.
Royal Army Ordnance Corps.
R.D.
Royal Dragoons.
R/F
Range Finder.

26. R.I.A.F.
Royal Indian Air Force.
R.I.A.S.C.
Royal Indian Army Service Corps.
R.I.F.R.
Royal Indian Fleet Reserve.
R.I.M.
Royal Indian Marine.
R.I.N.
Royal Indian Navy.
R.I.N.R.
Royal Indian Naval Reserve.
R.I.N.V.R.
Royal Indian Naval Volunteer Reserve.
R.N.
Royal Navy.
R.N.R.
Royal Naval Reserve.
R.N.V.R.
Royal Naval Volunteer Reserve.
revs.
Revolutions.
(S)
Supply.
S.A.N.F.
South African Naval Flotilla.
S.B.A.
Sick Berth Attendant.
S.C.
Swept Channel.
S.I.O.
Senior Inspecting Officer.
S/Lt.
Sub Lieutenant.
S.M.O.
Senior Medical Officer.
S.N.O.
Senior Naval Officer.
S.O.
Senior Officer.
S.O.R.S.F.
Senior Officer Red Sea Force.
(Sp.)
Special.
S.P.
Selection of Personnel.
SOLWING
Senior Officer Landing Craft Wing.
S.S.
Short Service; Steam Ship.
S.T.O.
Sea Transport Officer.
T.N.T.
Trinitrotoluene.
T.O.O.

27. Time of Origin
U.S.A.A.F.
United States Army Air Forces.
V/S
Visual Signalling.
V.S.I.S.
Victualling Store Issue Ship.
W.A.C.(I)
Women's Auxiliary Corps (India).
W.O.
Warrant Officer.
WRNS
Women's Royal Naval Service.
WRINS
Women's Royal Indian Naval Service.
W/T
Wireless Telegraphy.
XDO
Extended Defense Officer.