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Title 10 — Armed ForcesRelease 119-73not60

§4421 Weapon System Component or Technology Prototype Projects: Display of Budget Information

Title 10 › Subtitle Subtitle A— General Military Law › Part V— ACQUISITION › Subpart F— Major Systems, Major Defense Acquisition Programs, and Weapon Systems Development › Chapter 327— WEAPON SYSTEMS DEVELOPMENT AND RELATED MATTERS › Subchapter II— DEVELOPMENT, PROTOTYPING, AND DEPLOYMENT OF WEAPON SYSTEM COMPONENTS OR TECHNOLOGY › § 4421

Last updated Apr 3, 2026|Official source

Summary

Each year, the Secretary of Defense must show in the defense budget how much money is requested for three things: official acquisition programs; development, prototyping, and experimentation of weapon parts or other technologies (including those based on commercial products), listed separately; and any other budget items the Secretary decides. Prototyping money must be grouped into capability, weapon‑system component, or technology portfolios and include short descriptions of the types of capabilities and technologies funded for the fiscal year. The words "budget" and "defense budget materials" use the meaning in section 234 of this title, and "commercial product" uses the meaning in section 103 of title 41.

Full Legal Text

Title 10, §4421

Armed Forces — Source: USLM XML via OLRC

(a)In the defense budget materials for any fiscal year, the Secretary of Defense shall, with respect to advanced component development and prototype activities (within the research, development, test, and evaluation budget), set forth the amounts requested for each of the following:
(1)Acquisition programs of record.
(2)Development, prototyping, and experimentation of weapon system components or other technologies, including those based on commercial products and technologies, separate from acquisition programs of record.
(3)Other budget line items as determined by the Secretary of Defense.
(b)For purposes of subsection (a)(2), the amounts requested for development, prototyping, and experimentation of weapon system components or other technologies shall be—
(1)structured into either capability, weapon system component, or technology portfolios that reflect the priority areas for prototype projects; and
(2)justified with general descriptions of the types of capability areas and technologies being funded or expected to be funded during the fiscal year concerned.
(c)In this section, the terms “budget” and “defense budget materials” have the meaning given those terms in section 234 of this title and the term “commercial product” has the meaning given that term in section 103 of title 41.

Legislative History

Notes & Related Subsidiaries

Editorial Notes

Amendments

2021—Pub. L. 116–283 renumbered section 2447a of this title as this section. 2019—Subsec. (a). Pub. L. 116–92 struck out “after fiscal year 2017” after “any fiscal year” in introductory provisions. 2018—Subsec. (a)(2). Pub. L. 115–232, § 836(e)(8)(A), substituted “commercial products and technologies” for “commercial items and technologies”. Subsec. (c). Pub. L. 115–232, § 836(e)(8)(B), inserted before period at end “and the term ‘commercial product’ has the meaning given that term in section 103 of title 41”.

Statutory Notes and Related Subsidiaries

Effective Date

of 2021 AmendmentAmendment 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.

Effective Date

of 2018 AmendmentAmendment by Pub. L. 115–232 effective Jan. 1, 2020, subject to a

Savings Provision

, see section 836(h) of Pub. L. 115–232, set out as an

Effective Date

of 2018 Amendment;

Savings Provision

note under section 453b of Title 6, Domestic Security.

Effective Date

Pub. L. 114–328, div. A, title VIII, § 806(a)(2), Dec. 23, 2016, 130 Stat. 2259, provided that: “Subchapter II of chapter 144B of title 10, United States Code [see, now, this subchapter], as added by paragraph (1), shall take effect on January 1, 2017.”

Reference

Citations & Metadata

Citation

10 U.S.C. § 4421

Title 10 — Armed Forces

Last Updated

Apr 3, 2026

Release point: 119-73not60