<p>Circa 1961. Colonel Oleg Penkovskiy's military pass to the buildings of the General Staff and Ministry of Defense in Moscow, USSR (top). His military pass to the Intelligence Directorate of the Ministry of Defense (bottom). Penkovskiy provided the US and UK with valuable information about Soviet and Warsaw Pact military intentions. He was apprehended by the KGB in 1962, tried and found guilty of treason and espionage, and executed in 1963.
</p><p>Photo from the booklet "CIA Analysis of the Warsaw Pact Forces:  The Importance of Clandestine Reporting."
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For more information, visit the CIA's Historical Collections page (<a rel="nofollow" class="external text" href="https://www.cia.gov/library/publications/historical-collection-publications/index.html">www.cia.gov/library/publications/historical-collection-pu...</a>).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/59094030@N08">The Central Intelligence Agency</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ciagov/8114056409/">18 Penkovskiy Military Pass</a>