The Daily Alaska empire., 1949-09-23
By ERNEST B. vACCARO

by EfINESl D. VACCAftO
 WASHINGTON, Sept. 23.-tA- United States has evidence of re- cent atomic explosion in Russia news indicating the Communists at long last have learned to make an A. bombs
 President Truman disclosed this in statement today. He then held an hour-long session with his cab inet about it.
 MT. Truman said the development emphasizes the necessity for truly effective, enforceable international control of atomic energy
 The United States has sought that through the United Nations, but has been unable to get to- get together with Russia on how it should be carried out.
 With a note of reinsurance to the American people, the President said the probability that some other nation might develop an atomic bomb has always been taken into account by us"
 London Conference
 Quickly after the White House announcement came. word from the British government in London that it also has evidence of an atomic explosion in Russia
 Tn Washington, the word swept swiftly around government depart ments and through Congress. At the Pentagon-headquarters of the military services--there were signs of some excitement, but no officials would discuss the matter. 1 A spokesman for the Atomic En- ergy Commission, in reply to quer- ies, said: We have nothing to say"
 i Reporters pressed Secretary of Defense Johnson for more infor- nation when he left the Cabinet meeting.
 Cabinet Informed
 Have we made any change in the disposition of our forces since this happened?" reporter asked.
 Mo- Johnson replied
 Does the Cabinet know any more about this than is contained in the Presidents statement?" l ''The Cabinet knows all about it, Johnson said. Tt was fully in- formed"
 Do you have reason to believe this was the first atomic explosion in Russia?" Johnson was asked. He smiled, shook his head, and refused to answer.
 Committee Called \ At the Capitol, Senator McMahon l CD-Conn), chairman of the joint congressional committee on atomic energy, called meeting of the committee behind closed doors.
 In a Senate speech only yesterday McMahon said that if Russia hac the atomic bomb she could senc the bombs to American ports or tramp steamers and blow up 35,- 100000 people.
 , There was no official hint as te how the United States obtained its evidence of the atomic explosion il Russia.
 Explosion Recorded
 But it is known that American scientists have been ready witt , delicate instruments for months tt record an atomic explosion any where in the world
 The Presidents disclosure cam' at time that British. Canadian and American experts are discus sing problems of the interchange O atomic information and the suppl, of uranium available to them. } Uranium is the key element il } making atomic bombs. ) The most recent official estimat } of when Russia might be able tt produce atomic weapons came iron President Truman's air policy com mission.
 Bomb Production That group, headed by Thomas } K. Finletter. reported on Dec. 30 } l947, Tt would be safe to assume } :. that possibly hostile powers } will not be producing atomic weap' } ons in substantial quantities be } fore the end of 1952." } The commission added: } We point out that this does no , assume that such powers may no , have a few atomic weapons prio , to that date"
 . Last March 22, Dr. David Bradley , atomic medical scientist. said Rus } sia not only has the atomic boml secret but may already be manu featuring atomic weapons" s Bradley, author of the book IN | nj AA la ,Arf h.