Lyndon Johnson actually said...
By virtue of the authority vested in me by the Constitution and laws of the United States, including Section 1110 of the Federal Aviation Act of 1958 (72 Stat. 800, 49 U.S.C. 1510), and as President of the United States and Commander in Chief of the Armed Forces of the United States, and having determined that such action would be in the national interest, it is hereby ordered as follows:
02/12/1967