Sale of Air Service Property: Hearing Before the Committee on Military Affairs, House of Representatives, Sixty-seventh Congress, Fourth Session, on H. R. 13449, to Authorize the Sale of Certain Government Property, and Appropriating the Proceeds Thereof for the Erection of Buildings and the Purchase and Installation of Equipment for Use of the Engineering Division of the Air Service of the Army. Statements of Hon. Roy G. Fitzgerald, Ohio.; Maj. Gen. Mason M. Patrick, Chief of Air Service, U.S. Army; Col. Thurman H. Bane, Cheif of Engineering Division, McCook Aviation Field. Wednesday, February 7, 1923