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.