Eisenhower became famous as Supreme Commander of the Allied Forces Northwestern Europe, and commanded the Normandy landing on 6 June 1944. In 1956 he signed the Federal Aid Highway Act and created a network of highways based on the German “Autobahn” system. When the Soviet Union launched the first satellites into space, the USA decided to respond. Eisenhower signed the National Aeronautics and Space Act on 29 July 1958 and also founded NASA.