Expedition 1 crewmembers Bill Shepherd and Sergei Krikalev

JSC2000-E-18634 (June 2000) --- Astronaut William Shepherd (right) mission commander for ISS Expedition 1, and Sergei Krikalev, flight engineer, participate in a training session in a trainer/mockup of the Zvezda Service Module at the Gagarin Cosmonaut Training Center in Russia. Cosmonaut Yuri Gidzenko, Soyuz commander, is out of frame at right.