Title: Defense Intelligence Agency (DIA), Report, Soviet Electronic Countermeasures During Invasion of Czechoslovakia, October 1, 1968, Secret, LBJL.
Creator: Defense Intelligence Agency (DIA)
Date in Source: October 1, 1968
Subject: Czechoslovakia - Soviet invasion of Czechoslovakia - Electronic warfare - Communications jamming - Chaff drops - Czech air defense system - Radar jamming
Format: 8 p.