Section, added Pub. L. 85–861, § 1(121)(A), Sept. 2, 1958, 72 Stat. 1494; amended Pub. L. 86–559, § 1(41), June 30, 1960, 74 Stat. 273; Pub. L. 90–179, § 5(4), Dec. 8, 1967, 81 Stat. 548; Pub. L. 96–513, title III, § 328, Dec. 12, 1980, 94 Stat. 2895; Pub. L. 97–22, § 6(c), July 10, 1981, 95 Stat. 130; Pub. L. 98–94, title X, § 1007(c)(4), Sept. 24, 1983, 97 Stat. 662; Pub. L. 100–180, div. A, title VII, § 714(c), Dec. 4, 1987, 101 Stat. 1113; Pub. L. 102–190, div. A, title XI, § 1131(8)(A), Dec. 5, 1991, 105 Stat. 1506; Pub. L. 103–160, div. A, title V, § 509(c), Nov. 30, 1993, 107 Stat. 1648, related to service credit upon original appointment as commissioned officer in Naval Reserve or Marine Corps Reserve. See section 12207 of this title.