PROHIBITION ON AVAILABILITY OF FUNDS FOR RETIREMENT OF JOINT SURVEILLANCE TARGET ATTACK RADAR SYSTEM AIRCRAFT.

SEC. 136. PROHIBITION ON AVAILABILITY OF FUNDS FOR RETIREMENT OF JOINT SURVEILLANCE TARGET ATTACK RADAR SYSTEM AIRCRAFT. (a) Prohibition.—Except as provided by subsection (b) and in addition to the prohibition under section 144 of the National Defense Authorization Act for Fiscal Year 2016 (Public Law 114-92; 129 Stat. 758), none of the funds authorized to be appropriated or otherwise made available for fiscal year 2018 for the Air Force may be obligated or expended to retire, or prepare to retire, any Joint Surveillance Target Attack Radar System aircraft. (b) Exception.—The prohibition in subsection (a) shall not apply to individual Joint Surveillance Target Attack Radar System aircraft that the Secretary of the Air Force determines, on a case-by-case basis, to be non-operational because of mishaps, other damage, or being uneconomical to repair.