Economics of Defense Procurement The C-5A and Strategic Mobility : Hearings Before the Subcommittee on Priorities and Economy in Government of the Joint Economic Committee, Congress of the United States, Ninety-fourth Congress, Second Session, and Ninety-fifth Congress, First Session, and Ninety-sixth Congress, Second Session : Part 1, June 8, 1976, December 21 and 22, 1977, and August 25 and September 16, 1980