In 1939 the Germans attack Poland and France declares Germany the war. The Maginot line was ready, all doors were closed and the troops were in position. The troops were waiting for an attack from Germany. Between 1939 and 1940 the troops have reinforced the line with small pillboxes and had exercises. Also in the forts improvements where done. When in Mai 1940 the Germans attacked the troops were well known with the terrain and the material they had.