Title: U.S. Communications Intelligence Board (USCIB), Memorandum, The Petersen Case, May 5, 1955, Top Secret Eider, CREST.
Creator: U.S. Communications Intelligence Board (USCIB)
Date in Source: May 5, 1955
Subject: Netherlands - SIGINT - Dutch intelligence services - Espionage - Joseph S. Petersen - Damage assessment - Security compromise - National Security Agency - U.S. COMINT effort
Format: 3 p.
Note: Top Secret