A prior section 309, acts Aug. 4, 1949, ch. 393, 63 Stat. 519; Aug. 3, 1950, ch. 536, § 11, 64 Stat. 407, authorized retirement of warrant officers with grade of commissioned warrant officer in case of special commendation, prior to repeal by Pub. L. 86–155, § 10(a)(1), (b), Aug. 11, 1959, 73 Stat. 338, effective Nov. 1, 1959, and by Pub. L. 88–130, § 1(10)(A), Sept. 24, 1963, 77 Stat. 177.

2018—Pub. L. 115–282 renumbered section 53 of this title as this section.

2002—Subsecs. (b)(3), (d), (e). Pub. L. 107–296 substituted “of Homeland Security” for “of Transportation”.

Amendment by Pub. L. 107–296 effective on the date of transfer of the Coast Guard to the Department of Homeland Security, see section 1704(g) of Pub. L. 107–296, set out as a note under section 101 of Title 10, Armed Forces.