"United States" . . . . "Department of Defense : hearings before the Subcommittee of the Committee on Appropriations, House of Representatives, Eighty-fifth Congress, first session. The the ballistic missile program (Hearings conducted on November 20 and 21, 1957)"@en . "Ballistic missile program"@en . . . . . . . . "Department of Defense hearings before the Subcommittee of the Committee on Appropriations, House of Representatives, Eighty-fifth Congress, first session. The the ballistic missile program (Hearings conducted on November 20 and 21, 1957)"@en . . . . . . . . .