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June 1, 2011
Astronaut David M. Walker, mission commander, stands near the hatch for one of the Johnson Space Centers (JSC) high fidelity Shuttle trainers prior to a procedures rehearsal of launch and entry phases of the STS-69 mission scheduled aboard the Space Shuttle Endeavour. NASAs Troy Stewart of the Crew and Thermal Systems Division of JSCs Engineering Directorate checks the readiness of Walkers training version of the partial pressure launch and entry space suit. The training session took place in the System Integration Facilitys Crew Compartment Trainer (CCT).