Sound recording of a meeting held on July 19, 1963, between President John F. Kennedy, Director of the Central Intelligence Agency (CIA) John McCone, Dr. Donald Chamberlain, Dr. Albert Wheelon, and Dr. Brockway McMillan. They discuss various intelligence subjects and the treaty banning atmospheric nuclear weapons tests, later known as the Partial Test Ban Treaty (PTBT) or the Limited Test Ban Treaty (LTBT). Please note that this meeting has been exempted from declassification under NLK-05-005-7-1-5 and is not available for research use.