259 § 4624. Medical supplies: civilian employees of Army; American National Red Cross; Soldiers' Home (a) Under regulations to be prescribed by the Secretary of the Army, a civilian employee of the Department of the Army who is stationed at an Army post may buy necessary medical supplies from the Army when they are prescribed by an officer of the Medical Corps on active duty. (b) With the approval of the Secretary, the Army Medical Service may sell medical supplies to the American National Ked Cross for cash. (c) Any branch, office, or officer designated by the Secretary may sell medical and hospital supplies to the Soldiers' Home. § 4625. Ordnance property: officers of armed forces; civilian employees of Army; American National Red Cross; educational institutions; homes for veterans' orphans (a) Any branch, office, or officer designated by the Secretary of the Army may sell articles of ordnance property to officers of other armed forces for their use in the service, in the same manner as those articles are sold to officers of the Army. (b) Under such regulations as the Secretary may prescribe, ordnance stores may be sold to civilian employees of the Army and to the American National Red Cross. (c) Articles of ordnance property may be sold to educational institutions and to State soldiers' and sailors' orphans' homes for maintaining the ordnance and ordnance stores issued to those institutions and homes. § 4626. Aircraft supplies and services: foreign military or air attache Under such conditions as he may prescribe, the Secretary of the Army may provide for the sale of fuel, oil, and other supplies for use in aircraft operated by a foreign military or air attache accredited to the United States, and for the furnishing of mechanical service and other assistance to such aircraft. Shelter may be furnished to such aircraft, but only without charge. §4627. Supplies: educational institutions Under such regulations as the Secretary of the Army may prescribe, supplies and military publications procured for the Army may be sold to any educational institution to which an officer of the Army is detailed as professor of military science and tactics, for the use of its military students. Sales under this section shall be for cash. §4628. Airplane parts and accessories: civilian flying schools The Secretary of the Army may sell, to civilian flying schools at which personnel of the Department of the Army or the Department of the Air Force are receiving flight training under contracts requiring these schools to maintain and repair airplanes of the Army furnished to them for flight training, the spare parts and accessories needed for those repairs.