F–35 JOINT STRIKE FIGHTER AIRCRAFT.

SEC. 143. F–35 JOINT STRIKE FIGHTER AIRCRAFT. In entering into a contract for the procurement of aircraft for the sixth and all subsequent low-rate initial production contract lots for the F–35 Lightning II Joint Strike Fighter aircraft, the Secretary of Defense shall ensure each of the following:(1) That the contract is a fixed-price contract.(2) That the contract requires the contractor to assume full responsibility for costs under the contract above the target cost specified in the contract.