Section, act Aug. 10, 1956, ch. 1041, 70A Stat. 325, § 5587; Pub. L. 90–179, § 5(2), Dec. 8, 1967, 81 Stat. 547; Pub. L. 90–386, § 1(5), July 5, 1968, 82 Stat. 293; Pub. L. 96–513, title III, § 324, Dec. 12, 1980, 94 Stat. 2893; renumbered § 8137, Pub. L. 115–232, div. A, title VIII, § 807(b)(4), Aug. 13, 2018, 132 Stat. 1834, related to regular Navy: officers designated for engineering duty, aeronautical engineering duty, and special duty.