Section, added Pub. L. 92–129, title II, § 203(a), Sept. 28, 1971, 85 Stat. 358; amended Pub. L. 93–64, title II, § 204, July 9, 1973, 87 Stat. 149; Pub. L. 93–277, § 2(2), May 10, 1974, 88 Stat. 120; Pub. L. 95–57, § 2, June 29, 1977, 91 Stat. 253; Pub. L. 95–485, title VIII, § 802(b), Oct. 20, 1978, 92 Stat. 1619; Pub. L. 96–342, title VIII, § 804(b), Sept. 8, 1980, 94 Stat. 1092; Pub. L. 97–60, title I, § 117(b), Oct. 14, 1981, 95 Stat. 996; Pub. L. 97–276, title I, § 131, Oct. 2, 1982, 96 Stat. 1197; Pub. L. 97–377, title I, § 101(c) [title VII, § 798], Dec. 21, 1982, 96 Stat. 1833, 1865; Pub. L. 98–14, § 1, Mar. 30, 1983, 97 Stat. 55; Pub. L. 98–525, title VI, § 621(a), Oct. 19, 1984, 98 Stat. 2540; Pub. L. 100–180, div. A, title VI, § 626(a), Dec. 4, 1987, 101 Stat. 1104; Pub. L. 101–189, div. A, title VI, § 612(a), Nov. 29, 1989, 103 Stat. 1445; Pub. L. 102–484, div. A, title VI, § 612(b), Oct. 23, 1992, 106 Stat. 2421; Pub. L. 103–160, div. A, title VI, § 613(c), Nov. 30, 1993, 107 Stat. 1681; Pub. L. 103–337, div. A, title VI, § 613(c), Oct. 5, 1994, 108 Stat. 2783; Pub. L. 104–106, div. A, title VI, § 613(c), Feb. 10, 1996, 110 Stat. 359; Pub. L. 104–201, div. A, title VI, § 613(c), Sept. 23, 1996, 110 Stat. 2544; Pub. L. 105–85, div. A, title VI, § 613(c), Nov. 18, 1997, 111 Stat. 1786; Pub. L. 105–261, div. A, title VI, § 613(c), Oct. 17, 1998, 112 Stat. 2039; Pub. L. 106–65, div. A, title VI, §§ 613(c), 619 (a)–(c), Oct. 5, 1999, 113 Stat. 650, 652, 653, related to enlistment bonuses.