10 U.S.C. § 7625

(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.