This chapter, referred to in text, was in the original “this Act”, meaning act July 26, 1947, ch. 343, 61 Stat. 495, known as the National Security Act of 1947, which is classified principally to this chapter. For complete classification of this Act to the Code, see Tables.

Section 6742(b)(6) of Pub. L. 116–92, which directed the general amendment of section 201 of act July 26, 1947, ch. 343, was executed by adding a new section 201 to the Act and classifying it to this section, in light of the repeal of former section 201 by Pub. L. 87–651, § 307, Sept. 7, 1962, 76 Stat. 526.

A prior section 3005, act July 26, 1947, ch. 343, title II, § 201(d), as added Aug. 10, 1949, ch. 412, § 4, 63 Stat. 579, which applied the provisions of title 4 of the Revised Statutes to the Department of Defense, except to the extent inconsistent with the provisions of this chapter, was technically repealed by Pub. L. 87–651, § 307, Sept. 7, 1962, 76 Stat. 526, but continued to be set out as this section prior to the enactment of Pub. L. 116–92.

A prior section 201 of act July 26, 1947, ch. 343, title II, as added Aug. 10, 1949, ch. 412, § 4, 63 Stat. 579, which established the Department of Defense as an Executive Department and established within it the various military departments, consisted of subsecs. (a) and (b), classified to section 171 of former Title 5, Executive Departments and Government Officers and Employees; subsec. (c), classified to section 1 of former Title 5; and subsec. (d), classified first to section 171–1 of former Title 5, then to section 408 of this title, and finally to this section (see note above). Section 201 was repealed by Pub. L. 87–651, § 307, Sept. 7, 1962, 76 Stat. 526.