Rescue: Scenarios and Solutions

1. Rescue:Scenarios and Solutions Derek Shannon

2. The Most Dangerous Game • HERCULES provides constant safety monitoring • Pressurization, rover systems, life support, crew vitals • Rescue upon: • Crew’s request • Loss of communication • Permanent immobilization of rover • Imminent threat • Any other combination of failures • But our rescue strategy begins with locality USC 2004 AME 557 Space Exploration Architecture

3. L1, Lunar Orbit Too Slow USC 2004 AME 557 Space Exploration Architecture

4. Lunar surface: Fastest rescue with maximum availability and resources USC 2004 AME 557 Space Exploration Architecture

5. Hercules chased the golden hind… USC 2004 AME 557 Space Exploration Architecture

6. MoonHIND will chase HERCULES! “Moon Hopper Interrupts Needless Death” • Ballistic medevac vehicle • Exchanges long trip times for: • High propellant requirements • Frequent use requires ISRU • Advanced tech a plus • Precision rocketry • Long conceptual history: • See Lockheed’s Lunar Surface Ballistic Vehicle (LSBV) at right USC 2004 AME 557 Space Exploration Architecture

7. MoonHIND will chase HERCULES! “Moon Hopper Interrupts Needless Death” • Ballistic medevac vehicle • Max one-way transit of 2000 km in 34 minutes • Exchanges long trip times for: • High propellant requirements • Precision rocketry • Long conceptual history: • See Lockheed’s Lunar Surface Ballistic Vehicle (LSBV) at right USC 2004 AME 557 Space Exploration Architecture

8. A lunar ambulance with high-speed, robust EVA options USC 2004 AME 557 Space Exploration Architecture

9. Hercules fought the Minotaur’s father… USC 2004 AME 557 Space Exploration Architecture

12. HERCULES will have a Moonitaur! USC 2004 AME 557 Space Exploration Architecture

13. Speed, gurney, debris-clearing, and jaws-of-life functionality USC 2004 AME 557 Space Exploration Architecture

14. Our rescuers still want EVA flexibility:Achilles protected by the Styx… USC 2004 AME 557 Space Exploration Architecture

15. HERCULES protects rescuers with STEX(SuiT Envelopes for Xtra vehicular activity) • Unpressurized for rescuers • Simpler “rescue ball” version can be pressurized for accident victimes USC 2004 AME 557 Space Exploration Architecture

16. STEX enables rapid egress/entry sans airlock with dust mitigation USC 2004 AME 557 Space Exploration Architecture

17. A rescue scenario • Communication lost with HUP-T Rover! • 1000km from South Pole base • “Highly Undesirable Pogo Transit” • MoonHIND scrambles to the rescue! • 2-member crew suits up, depressurizes capsule en route • One enters Moonitaur, the other wears STEX • “Antler” retros prevent blasting HUP-T with dust upon arrival • Landing legs contract, bringing capsule near surface • STEX-rescuer rides Moonitaur to the scene • HUP-T has flipped over—HUP-T crew is concussed! • Minotaur flips HUP-T upright—STEX shed as crewmember two enters to treat victims… USC 2004 AME 557 Space Exploration Architecture

18. Diana is pleased… But MoonHIND might require a development race of its own! USC 2004 AME 557 Space Exploration Architecture