Shac M+ Final

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Shac M+ Final

  1. 1. SPECIAL HIGH ALTITUDE COMS- MARITIME PLUS (SHAC-M+) Ron Seiple [email_address] 808 2614888
  2. 2. <ul><li>Near Space Balloons offer an excellent means to expand tactical coms link </li></ul><ul><li>Submarines will NOT deploy using He gas near surface! </li></ul><ul><li>To be effective PSB’s must be: </li></ul><ul><ul><li>Sustainable </li></ul></ul><ul><ul><li>Covert </li></ul></ul><ul><li>They are: </li></ul><ul><ul><li>Affordable </li></ul></ul><ul><ul><li>Simple </li></ul></ul><ul><ul><li>Effective </li></ul></ul>WHY IS THIS NEEDED?
  3. 3. APPROACH <ul><li>Develop a system that would “seed” PSB’s in Littorals from: </li></ul><ul><ul><li>Submarines </li></ul></ul><ul><ul><li>Aircraft </li></ul></ul><ul><ul><li>Surface Ships/craft </li></ul></ul><ul><li>Emphasis from Submarine </li></ul><ul><li>Provide continuous coverage </li></ul><ul><li>Make it easy: </li></ul><ul><ul><li>This approach takes the war fighter out of the loop! </li></ul></ul>
  4. 4. SUBMARINE APPROACH <ul><li>Two phase parallel approach: </li></ul><ul><ul><li>PSB and Tethered Mast System (TMS) </li></ul></ul><ul><li>Important to gain Sub COMS at Speed and Depth- PSB cannot do it alone! </li></ul><ul><li>Submarines and especially SSBN’s do not like to spend time a PD! </li></ul>
  5. 5. The Tethered Mast System (TMS) Basic Artist Concept Near Space Balloon (Temporary Satellite) Tethered TMS + Coms equipments Background Patent (Classified) NUWC NP Program in late 80’s SAIC Support plus up Program
  6. 6. Mission & Characteristics of TMS SSN/SSGN/ASDS/SDV Potential <ul><li>Coms at S&D </li></ul><ul><li>ISR </li></ul><ul><li>Potential Characteristics </li></ul><ul><ul><li>SOF CCC </li></ul></ul><ul><ul><li>ISR/IO </li></ul></ul><ul><ul><li>Persistent Coms </li></ul></ul><ul><ul><li>Maintain Stealth </li></ul></ul><ul><ul><li>Blue and Littorals </li></ul></ul><ul><ul><li>Bi-directional </li></ul></ul><ul><ul><li>HDR>64KBPS </li></ul></ul><ul><li>Performance Characteristics </li></ul><ul><ul><li>10kts – 300 ft </li></ul></ul><ul><ul><li>SS3 – 4 </li></ul></ul><ul><ul><li>No organic assistance </li></ul></ul><ul><ul><li>Good Economy of Ops </li></ul></ul><ul><ul><li>LPI/LPD </li></ul></ul><ul><ul><li>Potential Range 500nm </li></ul></ul><ul><ul><li>Good utility for Sub Classes </li></ul></ul><ul><ul><li>Reasonable Tech Readiness </li></ul></ul><ul><ul><li>Minimal Load out Restrictions </li></ul></ul><ul><ul><li>Requires Air Relay </li></ul></ul>
  7. 7. Towing speed = 6knots VCG = -10.5 ft below free surface Sea state = 2 Bow quartering seas Degrees of freedom:  Surge, Sway, Heave, Roll, Pitch all free Wings / control surface = -6.0 ft below free surface Sample TMS – 5 DOF Run With Cable, PITCH, HEAVE, SURGE, ROLL, YAW unconstrained, Simple PID

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