For purposes of promotion which is now or may hereafter be authorized for officers appointed after June 30, 1922, there shall be counted in addition to active commissioned service, service as deck officer and junior engineer.
(Jan. 19, 1942, ch. 6, § 2, 56 Stat. 6; June 3, 1948, ch. 390, § 22(a), formerly § 21(a), 62 Stat. 300, renumbered § 22(a), Pub. L. 87–233, § 1(f), Sept. 14, 1961, 75 Stat. 506; Oct. 12, 1949, ch. 681, title V, § 531(b)(32), 63 Stat. 839; June 21, 1955, ch. 172, § 3(a), 69 Stat. 169.)