Editorial Notes
Amendments

2025—Subsec. (b)(1). Pub. L. 119–60, § 1803(e)(1)(A), inserted “in accordance with the requirements of section 118 of this title and” after “be issued”.

Subsec. (b)(3). Pub. L. 119–60, § 1803(e)(1)(B), amended par. (3) generally. Prior to amendment, par. (3) read as follows: “require the military departments to update estimates of operating and support costs periodically throughout the life cycle of a major weapon system, to determine whether preliminary information and assumptions remain relevant and accurate, and identify and record reasons for variances;”.

Subsec. (b)(9). Pub. L. 119–60, § 1803(e)(1)(C), amended par. (9) generally. Prior to amendment, par. (9) read as follows: “include—

“(A) reliability metrics for major weapon systems; and

“(B) requirements on the use of metrics under subparagraph (A) as triggers—

“(i) to conduct further investigation and analysis into drivers of those metrics; and

“(ii) to develop strategies for improving reliability, availability, and maintainability of such systems at an affordable cost; and”.

Subsec. (b)(10). Pub. L. 119–60, § 1803(e)(1)(D), amended par. (10) generally. Prior to amendment, par. (10) read as follows: “require the military departments to conduct periodic reviews of operating and support costs of major weapon systems after such systems achieve initial operational capability to identify and address factors resulting in growth in operating and support costs and adapt support strategies to reduce such costs.”

Subsec. (c). Pub. L. 119–60, § 1803(e)(2), (3), redesignated subsec. (d) as (c) and struck out former subsec. (c) which related to retention of data on operating and support costs.

Subsec. (d). Pub. L. 119–60, § 1803(e)(3), redesignated subsec. (d) as (c).

Pub. L. 119–60, § 811(c)(2)(C), substituted “section 101(a)” for “section 3455(f)”.

2021—Pub. L. 116–283, § 1848(d)(3)(B), amended section catchline generally. Prior to amendment, section catchline read as follows: “Assessment, management, and control of operating and support costs for major weapon systems”.

Pub. L. 116–283, § 1848(d)(1), renumbered section 2337a of this title as this section.

Subsec. (b)(1). Pub. L. 116–283, § 1848(d)(3)(A)(i), substituted “section 4324” for “section 2337”.

Subsec. (d). Pub. L. 116–283, § 1848(d)(3)(A)(ii), substituted “section 3455(f)” for “section 2379(f)”.

2018—Subsec. (d). Pub. L. 115–232 substituted “this title” for “title 10, United States Code”.

Statutory Notes and Related Subsidiaries
Effective Date of 2021 Amendment

Amendment by Pub. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as a note preceding section 3001 of this title.

Retention of Data on Operating and Support Costs

Pub. L. 119–60, div. A, title XVIII, § 1803(f), Dec. 18, 2025, 139 Stat. 1233, provided that:

“(1)
In general.—
The Director of Cost Assessment and Program Evaluation shall develop and maintain a database on operating and support estimates, supporting documentation, and actual operating and support costs for major weapon systems (as defined in section 101 of title 10, United States Code, as added by section 811 of this Act).
“(2)
Support.—
The Secretary of Defense shall ensure that the Director, in carrying out the requirements of paragraph (1)—
“(A)
promptly receives the results of all cost estimates and cost analyses conducted by each Secretary of a military department with regard to operating and support costs of major weapon systems acquired pursuant to a major defense acquisition program (as defined in section 4201 of title 10, United States Code); and
“(B)
has timely access to any records and data of military departments (including classified and proprietary information) that the Director considers necessary to carry out such requirements.
“(3)
Coordination.—
The Secretary of Defense may direct each Secretary of a military department, with concurrence of the Under Secretary of Defense for Acquisition and Sustainment, to collect and retain information necessary to support the database required in (1).”

Pilot Program on Time-Certain Development in Acquisition of Major Weapon Systems

Pub. L. 109–364, div. A, title VIII, § 812, Oct. 17, 2006, 120 Stat. 2317, as amended by Pub. L. 110–417, [div. A], title VIII, § 813(d)(3), Oct. 14, 2008, 122 Stat. 4527; Pub. L. 111–84, div. A, title X, § 1073(c)(5), Oct. 28, 2009, 123 Stat. 2474; Pub. L. 116–283, div. A, title XVIII, § 1806(e)(2)(D), Jan. 1, 2021, 134 Stat. 4155, which authorized a pilot program on the use of time-certain development in the acquisition of major weapon systems in order to deliver new capabilities to warfighters more rapidly, was repealed by Pub. L. 119–60, div. A, title VIII, § 811(b)(16)(A), Dec. 18, 2025, 139 Stat. 949.