Special Report:Apollo 9 Mission
Apollo 9 Verifies Lunar Suit, Backpack
Houston-Lunar pressure suit and portable life support system (PLSS) backpack functioned normally during the shortened Apollo 9 extravehicular activity (EVA). But the limited exertions of astronaut Russell L. Schweickart taxed the PLSS water cooling loop only to about 20-25% of its peak heat-dissipation rate during the first test of the unit in natural space environment.
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