Section 706 of the Communications Act of 1934 (d) Upon proclamation by the President that there exists a state or threat of war involving the United States, the President, if he deems it necessary in the interest of the national security and defense, may, during a period ending not later than six months after the termination of such state or threat of war and not later than such earlier date as the Congress by concurrent resolution may designate,
(1) suspend or amend the rules and regulations applicable to any or all facilities or stations for wire communication within the jurisdiction of the United States as prescribed by the Commission,
(2) cause the closing of any facility or station for wire communication and the removal therefrom of its apparatus and equipment, or
(3) authorize the use or control of any such facility or station and its apparatus and equipment by any department of the Government under such regulations as he may prescribe, upon just compensation to the owners