Leaves of absence from present employment to join the merchant marine. : Hearings before the Committee on the Merchant Marine and Fisheries, House of Representatives, Seventy-seventh Congress, second session, on H. R. 7744, a bill to provide that employees of the United States, its territories or possessions, or of the District of Columbia who leave their positions to serve in the merchant marine shall be restored to their positions upon termination of such service. December 3, 1942