most recently available estimates of the program acquisition unit cost or procurement unit cost for such system to determine that the estimates of the unit costs are realistic. (2) During the fiscal year in which such contract is to be awarded, sufficient funds will be available to perform the contract in such fiscal year, and the future-years defense program submitted to Congress under section 221 of title 10, United States Code, for that fiscal year will include the funding required to execute the program without cancellation. (3) The contract is a fixed-price type contract. (4) The proposed contract provides for production at not less than minimum economic rates given the existing tooling and facilities. (5) The Secretary has determined that each of the conditions described in paragraphs (1) through (6) of subsection (c) will be met by such contract and has provided the basis for such determination to the congressional defense committees. (6) The determination under paragraph (5) was made after the completion of a cost analysis performed by the Director of Cost Assessment and Program Evaluation for the purpose of section 2334(f)(2) of title 10, United States Code, and the analysis supports that determination. (e) Exception Notwithstanding subsection (d), the Secretary of Defense may enter into a contract under subsection (a) on or after December 1, 2019, if— (1) the Director of Cost Assessment and Program Evaluation has not completed a cost analysis of the preliminary findings made by the Secretary under subsection (c) with respect to the contract