Inspired by Joe Rosenthal's famous Associated Press photograph of the flag raising on Iwo Jima, the most dramatic portion of the new National Museum of the Marine Corps, in Quantico, Virginia, is a 230 ft (70 m) long mast that rises from the floor of the circular main gallery. Clad in stainless steel, the mast is a slender cantilever member supported by rib and ridge beams.