Section 5537, [act Aug. 10, 1956, ch. 1041], [70A Stat. 319], provided for extension of naval service during disability incident to service.
Section 5538, [act Aug. 10, 1956, ch. 1041], [70A Stat. 319], provided for extension of enlistments in Regular Navy or Regular Marine Corps during war or national emergency.
Section 5539, acts [Aug. 10, 1956, ch. 1041], [70A Stat. 320]; Sept. 2, 1958, [Pub. L. 85–861, § 1(116)], [72 Stat. 1493]; Sept. 7, 1962, [Pub. L. 87–649, § 14c(27)], [76 Stat. 501], provided for voluntary extension or re-extension of enlistments in Regular Navy or Regular Marine Corps.