Section, added [Pub. L. 90–207, § 1(2)(A)], Dec. 16, 1967, [81 Stat. 651]; amended [Pub. L. 90–603, § 1], Oct. 18, 1968, [82 Stat. 1187]; [Pub. L. 90–623, § 3(5)], Oct. 22, 1968, [82 Stat. 1314]; [Pub. L. 93–274, § 1(3)], May 6, 1974, [88 Stat. 95]; [Pub. L. 93–394, § 1], Aug. 29, 1974, [88 Stat. 792]; [Pub. L. 96–284, § 4(d)(1)]–(3), June 28, 1980, [94 Stat. 591], 592; [Pub. L. 96–513, title IV, § 414(b)], title V, § 516(7), Dec. 12, 1980, [94 Stat. 2906], 2938, provided for continuation pay for dentists in the armed forces. See section 302b of this title.