STS-113 Pilot Lockhart and Expedition Six Flight Engineer Pettit are looking over a checklist in Airlock

ISS006-E-05004 (28 November 2002) --- Astronaut Paul S. Lockhart (left), STS-113 pilot, looks over a procedures checklist as astronaut Donald R. Pettit, Expedition Six NASA ISS science officer, floats into the Quest Airlock on the International Space Station (ISS).