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National Security Action Memorandum Number 174

National Security Action Memorandum Number 174

National Security Action Memorandum Number 174: Re: Ability to detect small underground shots, July 21, 1962

07/21/1962

The Papers of John F. Kennedy, Presidential Papers, National
Security Files, Meetings and Memoranda Series, National Security Action
Memoranda, National Security Action Memorandum Number 174. John F. Kennedy
Presidential Library and Museum, Boston, Massachusetts

Public Domain