Astronauts Jerry L. Ross (left) and Sherwood Springer (center), look over a foot restraint like that on the currently orbiting Shuttle Discovery. At right is Astronaut Bruce McCandless II. Activities, Bldg. 29, Weightless Environment Training Facility (WETF) for the STS-23/51D Extravehicular Activity (EVA) Simulation for Syncom IV, 04/14/1985. 1. SHUTTLE - SIMULATION (SYNCOM IV) 2. ASTRONAUT ROSS, JERRY L. - SIMULATION (SYNCOM) 3. ASTRONAUT SPRING, SHERWOOD C. - SIMULATION (SYNCOM IV) JSC, HOUSTON, TX