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Isis

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This is a program description for the Integrated Sensor is Structure (ISIS), a airship carrying massive sensors for the US military. DARPA, which is sponsoring the project, provided this overview briefing on ISIS to contractors, with it updated for the last time on 5 March 2009.

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Isis

  1. 1. Integrated Sensor Is the Structure (ISIS) 1 Distribution Statement “A” (Approved for Public Release, Distribution Unlimited)
  2. 2. Integrated Sensor Is the Structure (ISIS) Simultaneous AMTI/GMTI Operation via Dual Band (UHF/X-Band) Aperture Cruise Missile Defense Long-range AMTI/GMTI/COMM Detect/Track Dismounts FOPEN GMTI To Scale 1.0 Relative Search Capability (PA) Global Hawk 1.0 Relative Track Capability (PA2/λ2) 140 X Platform carries X 1,800 Joint STARS the antenna S 1,500 S 3,000 AWACS Platform is Extremely High Capacity Comms the antenna UHF 160,000 VHF X 330,000,000 Distribution Statement “A” (Approved for Public 100 101 102 103 104 105 106 107 108 109 Release, Distribution Unlimited) ISIS Global Relocation <10 days – 600km Sensor Radius – No In-Theater Ground Support 10+ year Operational Lifetime – 99% Availability for 1 year 2
  3. 3. Integrated Airship-Radar Conventional ISIS New Paradigm Payload: >30% of system mass Payload: 2-3% of system mass MDA Airship 89,000kg Integrated Payload bay Payload Enabling Technologies DARPA ISIS Accomplishments Hull Material • Improved lifetime by 10x while reducing fabric mass 4x over state-of-the-art Active-Array Antenna • Performance from size, not power • Removed heavy high power electronics, cooling • Removed structure: Flexible panels bonded onto pressure vessel • Low-power Transmit/Receive modules based on low-cost “cell phone” technology Power System • Solar-regenerative power with fuel cells instead of batteries • Airspeed: 60 knot sustained, 100 knot sprint FY10 FY11 FY12 FY13 FY08 FY09 FY04 FY05 FY06 FY07 System Study Scaled Prototype System Demonstration SDD… Technology Development TRL 5 TRL 7 MRL 2 MRL 6 3 Distribution Statement “A” (Approved for Public Release, Distribution Unlimited)
  4. 4. ISIS Critical Technologies Addressing critical hardware technology needs Achieved • Low areal-density advanced hull material – Areal density ≤100 g/m2 90.6 g/m2 – Matrix glass transition temperature (TG) ≤ -90°C -101°C – Fiber strength-to-weight ≥ 1000 kN·m/kg 1274 kN-m/kg – Fiber retains >85% strength at 5 years >85% at 22 years Mass • Lightweight, low-power density AESA – Areal density ≤ 2 kg/m2 1.8 kg/m2 – Power consumption ≤ 5.0 W/m2 on receive 4.7 W/m2 – Bonded to hull material Passed • Extremely low-power Transmit-Receive modules – FOM ≥1x104 W-2 1.1 x 104 W-2 Power – Demonstrated TRL5 (MTTF >106 Hours) MTTF >1.98x106 Hours • Novel power systems for stratospheric airships – Demonstrate 400 W-hr/kg regenerative system 779 W-hr/kg 4 Distribution Statement “A” (Approved for Public Release, Distribution Unlimited)
  5. 5. Single Integrated Picture “High-Definition” Picture of All Moving Targets → 10x Resolution Improvement Complete Air Picture LAND SEA AIR • AWACS (70’s) and E-2 (60’s) – Pulse-to-Pulse aperture reconfiguration enables all missions simultaneously designed for hard targets of their day • ISIS is designed for JLENS 225km the theoretical limit Blue Water at the radar horizon ISIS Foliage Penetration 600km AWACS – Single-platform Urban 375km search, track, and Brown Water fire-control Global Relocation <10 days – 600km Sensor Radius – No In-Theater Ground Support 10+ year Operational Lifetime – 99% Availability for 1 year Unobscured Surface Target Wide-Area Foliage Penetration GMTI • Joint STARS (70’s) designed for tanks in • Joint STARS precision across an the Fulda Gap extremely large operational area ISIS • ISIS is designed for JSTARS dismounts across the entire Line-of-Sight 600km 600km 300km 300km – LSRS-like resolution – 300km @ 3º grazing angle – 600km line-of-sight Primary tropical forest Cerrado savanna 300km – Track Agriculture/pasture 600km – Detect 5 Natural/artificial waterbodies Distribution Statement “A” (Approved for Public Release, Distribution Unlimited) & Locate Secondary succession forest
  6. 6. No Forward-Based Logistics • Forward-deployed aircraft-based • CONUS-deployed ISIS ISR – Unmanned – Local air base – Launched from U.S. locations – Multiple aircraft for single orbit – Global deployment in 10 days – Air crews – Regenerative fuel sources – Ground crews – Ten-year service life – Fuel supplies – Permanent CONUS ground station – Maintenance facilities Multiply the cost delta by the number of AOI’s and multiple platform types (JSTARS, AWACS, P-3, E-2C, etc) 6 Distribution Statement “A” (Approved for Public Release, Distribution Unlimited)
  7. 7. Schedule FY10 FY11 FY12 FY13 FY08 FY09 FY04 FY05 FY06 FY07 Phase 1 Phase 2 Phase 3 Design/Build/Demo Phase 1: Feasibility Study • Objective system design Conceptual Design • Technology requirements Review (CoDR) • Sensor analysis Phase 2: System Studies and Technology Development Technology Readiness Review • Continued objective system (TRR) design • Develop core technology PDR CDR Phase 3: Demo System Design • Demo system design • Large-scale integration • Hi-fidelity flight test Demo simulation • Demonstration system build • Flight demonstration 7 Distribution Statement “A” (Approved for Public Release, Distribution Unlimited)

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