Seniority Rights for Employees at Government Navy Yards, Arsenals, Etc Hearing Before the Committee on Naval Affairs, United States Senate, Seventy-ninth Congress, First Session, on S. 594, a Bill for the Purpose of Regulating the Conditions of Employment of Mechanics and Helpers at All Government Navy Yards, Naval Stations, Arsenals, and Other Government Establishments, and for Other Purposes. April 23, 24, 25, 26, 1945