A Containment Vault for a Shuttle Return of a MARS Sample

Details A Containment Vault for a Shuttle Return of a MARS Sample A Containment Vault for a Shuttle Return of a MARS Sample

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.689t&link_type=abstract

IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,

Mathematics

Probability

Scientific paper

In a relatively short period of time, roughly 12 weeks, the Advanced Design Team at the Johnson Space Center (JSC), developed and analyzed a set of requirements and proposed a design for a Mars sample return scenario, utilizing a Shuttle return for the final leg of the journey. This design was a part of a larger sample return architecture being proposed by JSC. The requirements, combined with a probability risk assessment (PRA) done by Science Applications International Corporation (SAIC), were used to create a design for a shuttle-based vault for holding a sample container, mounted on a spacecraft, which has returned from Mars. This Vault was designed to try and attain containment assurance of the sample to 1 in a million, when leveraged with the Shuttle's worst-case probability of failure. The resulting design was therefore contingent upon having an accurate understanding of Shuttle failures and crash scenarios. The study has produced a high- level design for a possible Vault, housed in the Shuttle, which stands very close to meeting the difficult containment assurance requirement for planetary protection (per the NASA Planetary Protection Officer).

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