Some just counted tanks, others stole blueprints for bombs. The Cold War was the battleground for thousands of spies and spotters. Even the Allied Military Missions in Germany doubled as covert observers in the spying game.
At the end of the 80s, the Soviet army is being universally modernized, observed closely by western military intelligence in East Germany. Weapons-scouts in the field are constantly on duty, as are agents in high command or in intelligence service stations.