Title: Subcommittee Hearings on H.R. 4007, To Amend the Act Entitled "An Act To Authorize the Construction of Experimental Submarines, and for Other Purposes," Approved May 16, 1947
Subtitle: hearings before the United States House Committee on Armed Services, Subcommittee No. 1 (Armed Services), Eighty-First Congress, first session, on May 12, 1949.
Subjects: Design and construction, Military research, Research, Submarines (Ships)
Places: United States