Title: National Indications Center, Report, Evaluation of Recent Soviet Aircraft Movements into Eastern Europe, December 17, 1961, Top Secret [codeword not declassified], CIA.
Creator: National Indications Center
Date in Source: December 17, 1961
Subject: East Germany - Berlin crisis - Soviet military - GSFG - Soviet air force - Aircraft movements - Hungary - Bulgaria - Normal state of readiness
Format: 4 p.
Note: Top Secret