STS-3 Pilot Fullerton dons anti-g and ejection escape suit (EES) on middeck Credit: NASA. 61,006 bytes. 626 x 474 pixels.

The initial series of shuttle flights were equipped with specially adapted SR-71 ejection seats for the two crew. The crew were provided with space suits, derived from the USAF SR-71 suits, which provided them with some protection in the event of ejection or cabin depressurization. The suit was a modified S1030A with an anti-G system. After the initial flights, and until the Challenger disaster, the crew was provided only with oxygen masks.

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STS-2 - STS-2 suit preparation Credit: NASA. 49,488 bytes. 625 x 473 pixels.

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• 490 - Carey,Christopher T, Supporting Life at 80,000 feet: - Evolution of the American High Altitude Pressure Suit, . HTML when accessed: http://www.lanset.com/aeolusaero/Articles/SSuits.htm