A prior section 311, acts Aug. 4, 1949, ch. 393, 63 Stat. 519; Aug. 3, 1950, ch. 536, § 13, 64 Stat. 407, related to recall of warrant officers to active duty with consent of the officer, prior to repeal by Pub. L. 88–130, § 1(10)(A), Sept. 24, 1963, 77 Stat. 177.