10 USC § 3004 - Head of an agency

---
identifier: "/us/usc/t10/s3004"
source: "usc"
legal_status: "official_legal_evidence"
title: "10 USC § 3004 - Head of an agency"
title_number: 10
title_name: "ARMED FORCES"
section_number: "3004"
section_name: "Head of an agency"
chapter_number: 201
chapter_name: "DEFINITIONS"
subchapter_number: "I"
subchapter_name: "DEFINITIONS RELATING TO DEFENSE ACQUISITION SYSTEM GENERALLY"
part_number: "V"
part_name: "ACQUISITION"
positive_law: true
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Added and amended Pub. L. 116–283, div. A, title XVIII, § 1806(a)(1), (6), Jan. 1, 2021, 134 Stat. 4152, 4153.)"
---


# § 3004. Head of an agency

In this part, the term “head of an agency” means the Secretary of Defense, the Secretary of the Army, the Secretary of the Navy, the Secretary of the Air Force, the Secretary of Homeland Security, and the Administrator of the National Aeronautics and Space Administration.

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**Source Credit**: (Added and amended Pub. L. 116–283, div. A, title XVIII, § 1806(a)(1), (6), Jan. 1, 2021, 134 Stat. 4152, 4153.)

## Editorial Notes

### Codification

The text of par. (1) of , which was transferred to this section and amended by , was based on , ; , , ; 96–513, title V, § 511(74), , ; , , ; , , ; , , .

### Amendments

2021—, transferred par. (1) of  to this section, realigned margin, struck out par. (1) designation at beginning, and substituted “In this part, the term” for “The term”.

## Statutory Notes and Related Subsidiaries

### Effective Date

Section and amendment by  effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as an Effective Date of 2021 Amendment note preceding .