Recommendations adopted by the National Security Council at the suggestion of the Psychological Strategy Board on covert actions to be undertaken in the Soviet Satellite States. Authorized by the National Security Council, NSC 158 envisaged aggressive psychological warfare to exploit and heighten the unrest behind the Iron Curtain. The policy was endorsed by President Eisenhower on June 26, 1953.

American response to East German protests, plans of action toward the Soviet Union, question of defectors from socialist countries, implementation of passive and active resistance in socialist countries.

Staff draft of NSC 5608, concluding that ferment in the Communist world provides new opportunities to challenge Soviet control. A draft annex called for “encouraging evolutionary change” and defined as tasks of RFE and RL (and other USG-funded media) “avoiding any incitement to premature revolt” while “seeking to maintain faith in the eventual restoration of freedom.” Redacted document 76, FRUS, 1955-1957, XXV, unredacted document 12, Csaba Békés, Malcolm Byrne, and János M. Rainer, The 1956 Hungarian Revolution: A History in Documents (Budapest: Central European University Press, 2002.)