View of the Quest Airlock and the Materials International Space Station Experiment Passive Experiment Container #2 MISSE PEC#2 on the International Space Station ISS photographed by a crewmember. Astronauts David A. Wolf and Piers J. Sellers, both STS-112 mission specialists, used the airlock to exit the station for the first scheduled session of extravehicular activity EVA which began at 10:21 a.m. on October 10, 2002.