Harry Truman actually said...
Evidence of sabotage or subversive activity involving or endangering any vessel, harbor, port, or waterfront facility shall be reported immediately to the Federal Bureau of Investigation and to the captain of the port, or to their respective representatives.
Context
Executive Order 10173—Regulations Relating to the Safeguarding of Vessels, Harbors, Ports, and Waterfront Facilities of the...
10/17/1950