1940
Signal flag on a wooden pole. Singal flag is red and white cut across the diagnol. The red section has three ties that attach the flag to the pole.
United States Army, American, founded 1775, 1860
United States Army, American, founded 1775, 1960
United States Army, American, founded 1775, 1910
United States Army, American, founded 1775, 1880
United States Army Signal Corps, American, founded 1860, 1910
United States Army, American, founded 1775, 1940