10277 Amending Regulations Relating to the Safeguarding of Vessels, Harbors, Ports, and Waterfront Facilities of the United States Signed: August 1, 1951 Federal Register page and date: 16 FR 7537, August 2, 1951 Amends: EO 10173, October 18, 1950 Amended by: EO 10352, May 19, 1952 See: EO 11249, October 10, 1965