Grenze - Auf den Spuren der innerdeutschen Grenze, Documentary, Germany 2005 In the 1983 film The Day After, NATO forces cross the border in an attempt to break a Soviet military buildup in East Germany. The attack backfires, resulting in a Soviet invasion of West Germany, and eventually culminating in a full-scale nuclear war between NATO and the Warsaw Pact. See also Checkpoint Bravo Checkpoint Charlie References External links Account of 1969 incident at Marienborn History of transport in Germany Checkpoints Inner German border 1945 establishments in Germany 1990 disestablishments in Germany