PUBLIC LAW 102-190—DEC. 5, 1991 105 STAT. 1309 (iii) the total expected cost of each modification for which the procurement is planned not to be completed before fiscal year 2000. (E) A comparison (carried out using then-year dollars) of the total cost for investment for modifications and upgraded capabilities and for operations and support over a period of 20 years (including the cost of appropriate aerial refueling tanker support) for each of the following options for the bomber force: (i) Retaining in the force the B-52G and B-52H bombers currently in the force and retiring the B-IB bombers currently in the force. (ii) Retaining in the force the B-52G and B-IB bombers currently in the force and retiring the B-52H bombers currently in the force, with the cost of retaining the B-IB bombers computed by including the costs of modifying those bombers to carry cruise missiles and of modifying those bombers to carry out conventional missions for which B-52H bombers are currently assigned. (iii) Retaining in the force the B-52H and B-IB bombers currently in the force and retiring the B-52G bombers currently in the force, with the cost of retaining the B-52H and B-IB bombers computed by including the costs of modifying B-52H or B-IB bombers as necessary to carry out conventional missions to which B-52G bombers are
currently assigned. (iv) Retaining in the force the B-52G, B-52H, and B-IB bombers currently in the force, with the cost of retaining the B-IB bombers computed by including the costs of modifying those bombers for delivering only improved conventional munitions. (v) Retaining in the force the B-IB bombers currently in the force and retiring the B-52G and B-52H bombers currently in the force, with the cost of retaining the B-IB bombers computed by including the costs of modifying those bombers to carry cruise missiles and to carry out conventional missions to which B-52G and B-52H bombers are currently assigned. (F) A statement of the number of heavy bombers, other than bombers with low observable (stealth) characteristics, required for conventional bombing missions, taking into consideration the historical use of heavy bombers in conventional warfare. (3) The report required by paragraph (1) shall be submitted not later than 90 days after the date of the enactment of this Act. (4) The Secretary shall certify in such report that each proposed modification described in paragraph (2)(D)— (A) is necessary in order to extend the period during which the B-IB bomber aircraft can effectively perform nuclear and conventional bombing missions; and (B) is cost-effective. (c) REVIEW AND REPORT BY THE COMPTROLLER GENERAL. —(1) The Comptroller General shall review and evaluate the report required by subsection (a) and the report required by subsection (b). (2) Within 90 days after the date of the submission of those reports, the Comptroller General shall submit to the congressional defense committees a report on the results of that review and evaluation, together with such recommendations as he considers appropriate.
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