576 (4) equipment and facilities necessary for the maintenance and operation of the Air Force, including spare equipment, material, and parts. This section does not authorize the design or development of any prototype aircraft intended primarily for commercial use. § 9532. Factories, arsenals, and depots: manufacture at The Secretary of the Air Force may have supplies needed for the Department of the Air Force made in factories, arsenals, or depots owned by the United States, so far as those factories, arsenals, or depots can make those supplies on an economical basis, §9534.
Subsistence supplies: contract stipulations; place of delivery on inspection Each contract for subsistence supplies for the Air Force that is made on public notice must provide for complete delivery, on inspection, at a specified place.
Exceptional subsistence supplies: purchases without advertising Exceptional articles of subsistence supplies that are for members of the Air Force, and for which they are to pay regardless of condition upon arrival, may, under regulations to be prescribed by the Secretary of the Air Force, be bought on the open market without advertising. §9536. Equipment: bakeries, schools, kitchens, and mess halls Money necessary for the following items for the use of enlisted members of the Air Force may be spent from appropriations for regular supplies: (1) Equipment for air base bakeries. (2) Furniture, textbooks, paper, and equipment for air base schools. (3) Tableware and mess furniture for kitchens and mess halls. § 9537. Military surveys and maps: assistance of United States mapping agencies The Secretary of the Air Force may obtain the assistance of the United States Geological Survey, the Coast and Geodetic Survey, and other mapping agencies of the United States in— (1) making topographic and other surveys; (2) obtaining extra topographic data; (3) making maps needed for military purposes; (4) research and development of surveying by aerial photography; and (5) developing methods of field reproduction. § 9538. Unserviceable ammunition: exchange and reclamation (a) The Secretary of the Air Force may, by contract or otherwise, reclaim deteriorated and unserviceable ammunition and components, not suitable for exchange, by conversion to usable form as complete rounds or serviceable components, and pay all or part of the costs thereof through the exchange of deteriorated and unserviceable components.