Abstract
With a Mars sample return mission planned for launch as early as 2005, serious discussions have begun to identify practical, effective approaches for containing extraterrestrial rocks, soil and atmospheric samples for return to Earth. In addition to satisfying planetary protection and biological safety requirements, containment designs must also meet planetary science and spaceflight engineering needs. To be effective, an integrated containment system must consider both outbound and inbound spaceflights, mobile and stationary containment, and operations on Earth. Important planning considerations include pre-launch preparations, the configuration and sealing of the sample return canister, Earth-return and recovery procedures, contingency planning, laboratory design, biosafety cabinets, sterilization methods, and alternative operational and facilities approaches. Solving the challenges of containment for extraterrestrial samples will be critical to mission success, not only for samples from Mars, but ultim...
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