ISS005-E-17107 (10 October 2002) --- Astronaut Piers J. Sellers, STS-112 mission specialist, exits the Quest Airlock on the International Space Station (ISS) to begin the first scheduled session of extravehicular activity (EVA) for the STS-112 mission. Astronaut David A. Wolf (out of frame), mission specialist, joined Sellers on the spacewalk.