Walz in the Quest Airlock during Expedition Four unpacking and stowage OPS

ISS004-E-5190 (December 2001) --- Astronaut Carl E. Walz, Expedition Four flight engineer, floats in the Quest Airlock on the International Space Station (ISS). The image was taken with a digital still camera during early phase of the three-person crew�s scheduled stay on the orbital outpost.