At NASA's Kennedy Space Center in Florida, the space shuttle mock-up, dubbed Pathfinder, is attached to the Mate-Demate Device for at fit-check Oct. 19, 1978. The mock-up, constructed at NASA's Marshall Space Flight Center in Huntsville, Ala., possessed the general dimensions, weight and balance of a real space shuttle. It was shipped to Kennedy by barge and then used to fit-check the work platforms of the Mate-Demate Device, orbiter processing facilities and Vehicle Assembly Building, as well as support ground crew training. It also was used to rehearse post-landing procedures at Kennedy's Shuttle Landing Facility. After being on display at the "Great Space Shuttle Exposition" in Tokyo from June 1983 to August 1984, the mock-up returned to Marshall and now is on permanent display at the U.S. Space and Rocket Center near Huntsville.