<p>Circa 1940. First Ukrainian Front; from right to left, Oleg Penkovskiy; Lieutenant General Sergei Varentsov; Andrey R. Pozovnyy, then-adjutant to Varentsov; and an orderly. In the early 1960s, 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 for 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/8114056227/">20 First Ukrainian Front</a>