 At 232 km², it is the largest NATO training facility in Europe today, providing vast ranges, simulation centers, classrooms and facilities for realistic and relevant training to U.S. Army, Joint Service, NATO and allied units and leaders.Approximately 250 residents of ten villages, farms and hamlets had to leave their homes between 1907 and 1910 as a result of the establishment of the training area.During the large expansion of the training area to its current size in 1938, 3,500 residents of 57 villages, farms and hamlets were resettled.