Description:07 01 07 00 Berlin. Cold war. Operations of barges, lorries amphibians near Berlin. Convoy crosses river and the water goes out. Landing of troop. State of alert. Soldiers run, patrol, simulation. Training, shots of rifles. Soldier with helmet and dress of camouflage, he phones. Jeep with artillery and machine guns. Helicopter in action. Tank shot grenade. Soldier with bazooka. Explosions, white smoke. American representative of West Berlin attends the operations.