Letters, itineraries, receipts and clippings from Colonel Gerald P. "Jerry" Carr's 1976 trip to France, Hungary, Sweden, East Germany, and Washington, D.C. on behalf of NASA and the State Department. Carr is an engineer, retired Colonel in the United States Marine Corps, and former NASA astronaut. He was commander of Skylab 4 (third and final manned visit to the Skylab Orbital Workshop, November 1973-February 1974).