Descripción : This mission marked the first time an EVA was performed from Columbia. An EVA from Columbia was originally planned for STS-5 in 1982, but was cancelled due to spacesuit problems. It also marked the first EVA conducted by a Japanese astronaut, Takao Doi.
The Extravehicular Activity Development Flight Test – 05 (EDFT-05) consists of the payload bay hardware elements of Detailed Test Objective (DTO) 671, EVA Hardware for Future Scheduled Extravehicular Missions. EDFT – 05`s main objective is to demonstrate International Space Station (ISS) on-orbit, end-to-end EVA assembly and maintenance operations. The other DTO`s included in this test are DTO 672, Extravehicular Mobility Unit (EMU) Electrical Cuff Checklist and DTO 833, EMU Thermal Comfort and EVA Worksite Thermal Environment. Another objective is to expand the EVA experience base for ground and flight crews. Two EVA`s will be performed on this mission to accomplish these DTO`s.
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Evento Espacial :

STS 87 (COLUMBIA) · SPARTAN 201 F4 (RETRIEVABLE SATELLITE) & USMP 4