---
kind: "section"
citation: "10 U.S.C. § 499a"
title: "10"
title_heading: "Armed Forces"
number: "499a"
heading: "Collection, storage, and sharing of data relating to nuclear security enterprise and nuclear forces"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/10/499a"
units:
  - "Subtitle A — General Military Law"
  - "Part I — Organization and General Military Powers"
  - "Chapter 24 — Nuclear Posture"
---

# §499a. Collection, storage, and sharing of data relating to nuclear security enterprise and nuclear forces

- (a) **In General.—** The [Secretary](/usc/10/4951.md?p=3) of Defense, acting through the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation, and the [Administrator](/usc/10/2700.md?p=3) for Nuclear Security, acting through the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation, shall collect and store cost, programmatic, and technical data relating to [programs](/usc/10/2101.md?p=1) and projects of the nuclear security enterprise and nuclear forces.
- (b) **Sharing of Data.—** If the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation or the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation requests data relating to [programs](/usc/10/2101.md?p=1) or projects from any element of the [Department](/usc/10/101.md?p=a-6) of Defense or from any element of the nuclear security enterprise of the National Nuclear Security Administration, that element shall provide that data in a timely manner.
- (c) **Storage of Data.—**
  - (1) Data collected by the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation and the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation under this section shall be—
    - (A) stored in the data storage system of the Defense Cost and Resource Center, or successor center, or in a data storage system of the National Nuclear Security Administration that is comparable to the data storage system of the Defense Cost and Resource Center; and
    - (B) made accessible to other Federal [agencies](/usc/10/3451.md?p=3) as such Directors consider appropriate.
  - (2) The [Secretary](/usc/10/4951.md?p=3) and the [Administrator](/usc/10/2700.md?p=3) shall ensure that the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation and the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation have sufficient information system support, as determined by such Directors, to facilitate the timely hosting, handling, and sharing of data relating to [programs](/usc/10/2101.md?p=1) and projects of the nuclear security enterprise under this section at the appropriate level of classification.
  - (3) The Deputy [Administrator](/usc/10/2700.md?p=3) for Naval Reactors of the National Nuclear Security Administration may coordinate with the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation and the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation to ensure that, at the discretion of the Deputy [Administrator](/usc/10/2700.md?p=3), data relating to [programs](/usc/10/2101.md?p=1) and projects of the Office of Naval Reactors are correctly represented in the data storage system pursuant to [paragraph (1)(A)](#c-1-A).
- (d) **Contract Requirements.—** The [Secretary](/usc/10/4951.md?p=3) and the [Administrator](/usc/10/2700.md?p=3) shall ensure that any relevant contract relating to a [program](/usc/10/2101.md?p=1) or project of the nuclear security enterprise and nuclear forces that is entered into after December 11, 2017, appropriately [includes](/usc/10/101.md?p=g-4)—
  - (1) requirements and [standards](/usc/10/3011.md?p=3) for data collection; and
  - (2) requirements for reporting on cost, programmatic, and technical data using procedures, [standards](/usc/10/3011.md?p=3), and formats approved by the Director of Cost Assessment and [Program](/usc/10/2101.md?p=1) Evaluation and the Director for Cost Estimating and [Program](/usc/10/2101.md?p=1) Evaluation.
- (e) **Nuclear Security Enterprise Defined.—** In this section, the term “nuclear security enterprise” has the meaning given that term in section 6101.

## Source credit

(Added Pub. L. 115–91, div. A, title XVI, § 1652(a), Dec. 12, 2017, 131 Stat. 1757; amended Pub. L. 115–232, div. A, title X, § 1081(a)(7), Aug. 13, 2018, 132 Stat. 1983; Pub. L. 119–60, div. C, title XXXI, § 3111(c)(1)(B), Dec. 18, 2025, 139 Stat. 1460.)

## Notes

### Editorial Notes

### Amendments

2025—Subsec. (e). Pub. L. 119–60 substituted “section 6101” for “section 4002 of the Atomic Energy Defense Act (50 U.S.C. 2501)”.

2018—Subsec. (d). Pub. L. 115–232 substituted “after December 11, 2017,” for “on or after the date of the enactment of this section” in introductory provisions.