PUBLIC LAW 101-510—NOV. 5, 1990 104 STAT. 1503 sions of the E and Q models of the KC-135 giircraft to the R configuration as compared with maintaining the A models of that aircraft; and (2) submits a report on the results of the reassessment to the congressional defense committees. (b) REASSESSMENT. — In carrying out the reassessment, the Secretary shall take into consideration— (1) current and planned force structure reductions; (2) changes in the Single Integrated Operating Plan (SIOP); and (3) changes in United States contingency planning. PART D—ARMY PROGRAMS SEC. 141. ADATS MISSILE SYSTEM (a) LIMITATION.— The Secretary of the Army may not obligate any funds after the date of the enactment of this Act for a payment under the ADATS air defense program for contractor corrections of system reliability deficiencies to meet original program specifications for the system. Qo) EXCEPTION. —Th is section does not preclude the obligation of funds to pay for product improvements approved by the Government before Initial Operational Test and Evaluation. SEC. 142. M-1 ABRAMS TANK PROGRAM (a) LIMITATION. — Of the funds appropriated or otherwise made available for procurement of weapons and tracked combat vehicles for the Army for fiscal year 1991, the Secretary of the Army, subject to subsection (b), may use any or all of the $150,000,000 provided for advance procurement (1) to buy Ml tanks in the M1A2 configuration, or (2) to initiate an Ml-to-MlA2 conversion program. (b) CERTIFICATION. — The advance procurement funds described in subsection (a) may not be used for a purpose described in that subsection until the Secretary of the Army certifies to the congressioned defense committees that the M1A2 tank has successfully completed development and operational tests. SEC. 143. PROCUREMENT OF AHIP SCOUT HELICOPTERS Section 1330t))(l) of Public Law 101-189 (103 Stat. 1383) is amended— (1) by striking out "Subject to subsection (c), the" and inserting in lieu thereof "The"; (2) by striking out "and" at the end of subparagraph (B); (3) by striking out the period at the end of subparagraph (C) and inserting in lieu thereof "; and"; and (4) by adding at the end the following: "(D) the obligation of not more than $200,000,000 from funds appropriated pursuant to an authorization of appropriations for the OH-58D AHIP Scout aircraft program during fiscal year 1991 for procurement of not more than 36 OH-58D Armed AHIP Scout aircraft and for payment of costs necessary to terminate the AHIP Scout aircraft program.". SEC. 144. PROVISION OF CH-47 AIRCRAFT FOR THE ARMY NATIONAL GUARD (a) TRANSFER OF AIRCRAFT TO AIR NATIONAL GUARD. —Of the modified CH-47 aircraft procured with funds appropriated or other-
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