Section, R.S. 4843; Feb. 9, 1900, ch. 13, 31 Stat. 7; Aug. 24, 1912, ch. 391, 3, 37 Stat. 591; Oct. 15, 1966, Pub. L. 89–670, § 6(b), 80 Stat. 938, related to admission to Saint Elizabeths Hospital of insane persons from the Army, Navy, Air Force, Marine Corps, and Coast Guard.