--- kind: "section" citation: "10 U.S.C. § 492" title: "10" title_heading: "Armed Forces" number: "492" heading: "Biennial assessment and report on the delivery platforms for nuclear weapons and the nuclear command and control system" release: "119-102" date: "2026-07-12" url: "https://uscodex.org/usc/10/492" units: - "Subtitle A — General Military Law" - "Part I — Organization and General Military Powers" - "Chapter 24 — Nuclear Posture" --- # §492. Biennial assessment and report on the delivery platforms for nuclear weapons and the nuclear command and control system - (a) **Biennial Assessments.—** - (1) For each even-numbered year, each covered official shall assess the safety, security, reliability, sustainability, performance, and [military](/usc/10/801.md?p=8) effectiveness of, and the ability to meet operational availability requirements for, the systems described in [paragraph (2)](#a-2) for which such official has responsibility. - (2) The systems described in this paragraph are the following: - (A) Each type of delivery platform for nuclear weapons. - (B) The nuclear command and control system. - (b) **Biennial Report.—** - (1) Not later than December 1 of each even-numbered year, each covered official shall submit to the [Secretary](/usc/10/4951.md?p=3) of Defense and the Nuclear Weapons Council established by [section 179 of this title](/usc/10/179.md) a report on the assessments conducted under [subsection (a)](#a). - (2) Each report under [paragraph (1)](#b-1) shall include the following: - (A) The results of the assessment. - (B) An identification and discussion of any capability gaps or shortfalls with respect to the systems described in [subsection (a)(2)](#a-2) covered under the assessment. - (C) An identification and discussion of any risks with respect to meeting mission or [capability requirements](/usc/10/3101.md?p=2). - (D) In the case of an assessment by the Commander of the [United States](/usc/10/101.md?p=a-1) Strategic Command, if the Commander identifies any deficiency with respect to a nuclear weapons delivery platform covered under the assessment, a discussion of the relative merits of any other nuclear weapons delivery platform type or compensatory measure that would accomplish the mission of such nuclear weapons delivery platform. - (E) An identification and discussion of any matter having an adverse effect on the capability of the covered official to accurately determine the matters covered by the assessment. - (c) **Report to President and Congress.—** - (1) Not later than March 1 of each year following a year for which a report under [subsection (b)](#b) is submitted, the [Secretary](/usc/10/4951.md?p=3) of Defense shall submit to the President a report containing— - (A) each report under [subsection (b)](#b) submitted during the previous year, as originally submitted to the [Secretary](/usc/10/4951.md?p=3); - (B) any comments that the [Secretary](/usc/10/4951.md?p=3) considers appropriate with respect to each such report; - (C) any conclusions that the [Secretary](/usc/10/4951.md?p=3) considers appropriate with respect to the safety, security, reliability, sustainability, performance, or [military](/usc/10/801.md?p=8) effectiveness of the systems described in [subsection (a)(2)](#a-2); and - (D) any other information that the [Secretary](/usc/10/4951.md?p=3) considers appropriate. - (2) Not later than March 15 of each year during which a report under [paragraph (1)](#c-1) is submitted, the President shall transmit to the [congressional defense committees](/usc/10/101.md?p=a-16) the report submitted to the President under [paragraph (1)](#c-1), including any comments the President considers appropriate. - (3) Each report under this subsection may be in classified form if the [Secretary](/usc/10/4951.md?p=3) of Defense determines it necessary. - (d) **Covered Official Defined.—** In this section, the term “covered official” means— - (1) the Commander of the [United States](/usc/10/101.md?p=a-1) Strategic Command; - (2) the Director of the Strategic Systems [Program](/usc/10/2101.md?p=1) of the Navy; - (3) the Commander of the Global Strike Command of the Air Force; and - (4) the Commander of the [United States](/usc/10/101.md?p=a-1) Air Forces in Europe. ## Source credit (Added Pub. L. 112–81, div. A, title X, § 1041(a), Dec. 31, 2011, 125 Stat. 1573, § 490a; renumbered § 492, Pub. L. 112–239, div. A, title X, § 1031(b)(3)(A)(i), Jan. 2, 2013, 126 Stat. 1918; amended Pub. L. 113–291, div. A, title XVI, § 1642, Dec. 19, 2014, 128 Stat. 3650; Pub. L. 116–92, div. A, title XVI, § 1666, Dec. 20, 2019, 133 Stat. 1774.) ## Notes ### Editorial Notes ### Amendments 2019—Subsec. (d)(4). Pub. L. 116–92 added par. (4). 2014—Subsec. (a)(1). Pub. L. 113–291 inserted “, and the ability to meet operational availability requirements for,” after “military effectiveness of”. 2013—Pub. L. 112–239 renumbered section 490a of this title as this section. ### Statutory Notes and Related Subsidiaries ### Initial Assessment and Reports Pub. L. 112–81, div. A, title X, § 1041(b), Dec. 31, 2011, 125 Stat. 1574, as amended by Pub. L. 112–239, div. A, title X, § 1031(b)(4), Jan. 2, 2013, 126 Stat. 1919; Pub. L. 113–66, div. A, title X, § 1091(b)(6), Dec. 26, 2013, 127 Stat. 876, provided that: “Not later than 30 days after the date of enactment of this Act [Dec. 31, 2011], each covered official, as such term is defined in subsection (d) of section 492 of title 10, United States Code, shall conduct an initial assessment as described by subsection (a) of such section and submit an initial report as described by subsection (b) of such section. The requirements of subsection (c) of such section shall apply with respect to the report submitted under this subsection.” [Pub. L. 113–66, div. A, title X, § 1091(b), Dec. 26, 2013, 127 Stat. 876, provided in part that the amendment made by section 1091(b)(6) is effective as of Jan. 2, 2013, and as if included in Pub. L. 112–239 as enacted.]