((a)) ** .—** Whenever space is unavailable on commercial lines and is available on vessels, vehicles, or aircraft operated by the Department of Defense, civilian passengers and commercial cargo may, in the discretion of the Secretary of Defense, be transported on those vessels, vehicles, or aircraft. Rates for transportation under this section may not be less than those charged by commercial lines for the same kinds of service, except that in the case of transportation provided in response to an emergency, a disaster, or a request for humanitarian assistance, any amount charged for such transportation may not exceed the cost of providing the transportation.
((b)) ** .—** Any amount received under subsection (a) with respect to transportation provided in response to an emergency, a disaster, or a request for humanitarian assistance may be credited to the appropriation, fund, or account used in incurring the obligation for which such amount is received. In all other cases, amounts received under subsection (a) shall be covered into the Treasury as miscellaneous receipts.
((c)) ** .—** When space is available on vessels, vehicles, or aircraft operated by the Department of Defense and the Secretary of Defense determines that operations in the area of a contingency operation or disaster response would be facilitated if allied and civilian personnel and cargo were to be transported using such vessels, vehicles, or aircraft, the Secretary may provide such transportation on a noninterference basis, without charge.
((d)) ** .—** The Secretary may enter into a contract or other arrangement with one or more commercial providers to make insurance products available to non-Department of Defense shippers using the Defense Transportation System to insure against the loss or damage of the shipper’s cargo. Any such contract or arrangement shall provide that—
((1)) any insurance premium is collected by the commercial provider;
((2)) any claim for loss or damage is processed and paid by the commercial provider;
((3)) the commercial provider agrees to hold the United States harmless and waive any recourse against the United States for amounts paid to an insured as a result of a claim; and
((4)) the contract between the commercial provider and the insured shall contain a provision whereby the insured waives any claim against the United States for loss or damage that is within the scope of enumerated risks covered by the insurance product.