S72-50270 (September 1972) --- Astronaut Eugene A. Cernan, commander of the Apollo 17 lunar landing mission, participates in lunar surface extravehicular activity simulation training under one-sixth gravity conditions aboard a U. S. Air Force KC-135 aircraft. Here, Cernan simulates removing an experiment package from the aft end of a Lunar Roving Vehicle.

51D-06-015 (12-19 April 1985) --- Astronaut Jeffrey A. Hoffman and Rhea Seddon mission specialists, demonstrate the effect of weightlessness on a slinky toy in the mid-deck of the Space Shuttle Discovery.