JSC2000-05368 (7 June 2000) --- Astronaut William Shepherd, ISS Expedition One commander, rehearses
an extravehicular activity (EVA) with a full scale training model of the Zvezda Service Module in the Hydrolab facility at the Gagarin Cosmonaut Training Center
in Russia. SCUBA-equipped divers assist
in the spacewalk rehearsal, which also included cosmonaut Yuri Gidzenko, Soyuz commander, who is out of frame here.