07/16/1947
https://www.presidency.ucsb.edu...
"No more than one National Security Medal shall be awarded to any one person, but for subsequent services justifying an award, a suitable device may be awarded to be worn with the Medal."
"We know that large reserves of generating capacity are vital to economic health and to national security."
"Members of the armed forces of the United States who are awarded the decoration established by this order are authorized to wear the medal and the ribbon symbolic of the award, as may be authorized by..."
"The decoration established by this order shall be awarded by the President of the United States or, under regulations approved by him, by such person or persons as he may designate."