MODIFICATION OF LIMITATIONS ON RETIREMENT OF B–52 BOMBER AIRCRAFT.

SEC. 137. MODIFICATION OF LIMITATIONS ON RETIREMENT OF B–52 BOMBER AIRCRAFT.(a) Maintenance of Primary, Backup, and Attrition Reserve Inventory of Aircraft.—Subsection (a) of section 131 of the John Warner National Defense Authorization Act for Fiscal Year 2007 (Public Law 109–364; 120 Stat. 2111) is amended—(1) in paragraph (1)—(A) in subparagraph (A), by striking “and” at the end;(B) in subparagraph (B), by striking the period at the end and inserting a semicolon; and(C) by adding at the end the following:“(C) shall maintain in a common capability configuration a primary aircraft inventory of not less than 63 such aircraft, a backup aircraft inventory of not less than 11 such aircraft, and an attrition reserve aircraft inventory of not less than 2 such aircraft; and“(D) shall not keep any such aircraft referred to in subparagraph (C) in a status considered excess to the requirements of the possessing command and awaiting disposition instructions.”; and(2) by adding at the end the following:“(3) Definitions.—For purposes of paragraph (1):“(A) The term ‘primary aircraft inventory’ means aircraft assigned to meet the primary aircraft authorization to—“(i) a unit for the performance of its wartime mission;“(ii) a training unit primarily for technical and specialized training for crew personnel or leading to aircrew qualification;“(iii) a test unit for testing of the aircraft or its components for purposes of research, development, test and evaluation, operational test and evaluation, or to support testing programs; or“(iv) meet requirements for special missions not elsewhere classified.“(B) The term ‘backup aircraft inventory’ means aircraft above the primary aircraft inventory to permit scheduled and unscheduled depot level maintenance, modifications, inspections, and repairs, and certain other mitigating circumstances without reduction of aircraft available for the assigned mission.“(C) The term ‘attrition reserve aircraft inventory’ means aircraft required to replace anticipated losses of primary aircraft inventory due to peacetime accidents or wartime attrition.122 STAT. 33“(4) Treatment of retired aircraft.—Of the aircraft retired in accordance with paragraph (1)(A), the Secretary of the Air Force may use not more than 2 such aircraft for maintenance ground training.”.(b) Notice of Retirement.—Subsection (b)(1) of such section is amended by striking “45 days” and inserting “60 days”.