Title: U.S. Air Force, Memorandum, Communications Facilities for the 57th Radio Sq Mobile, June 19, 1953, Top Secret, NARA.
Creator: U.S. Air Force
Date in Source: June 19, 1953
Subject: Greece - Crete - SIGINT - Listening posts - Intelligence facilities - National Security Agency - Technical survey
Format: 4 p.
Note: Top Secret