 English Heritage owns the Redoubt; the Grand Shaft spiral staircase is owned by the council, and is annually opened by the Western Heights Preservation Society.The Grand Shaft Bowl, located south of Drop Redoubt, is the proposed location for the new National War Memorial, which will commemorate, by name, all of the British Commonwealth casualties of World War I and World War II.The Grand Shaft Barracks was the location for the filming of the post-nuclear attack scenes in the Peter Watkins 1965 film; "The War Game".