Dwight Eisenhower actually said...
The provisions of Executive Order No. 10450 of April 27, 1953, entitled 'Security Requirements for Government Employment', shall be applicable to commissioned officers of the Service; and the Secretary, in accordance with the standards and procedures prescribed therein or adopted pursuant thereto, shall (a) cause investigations to be made of commissioned officers of the Service and of candidates for commission in the Regular or Reserve Corps, in order to ensure that their appointment and their retention in office are clearly consistent with the interests of the national security, and (b) suspend from assigned duties or separate from the Service any such officer upon a determination that such suspension or separation is necessary or advisable in the Interests of the national security.
10/27/1953