(From left to right): District of Columbia Militia commanding generals, Brig. Gen. Richard Simms (January 18, 1918 – March 31, 1920), Maj. Gen. Anton Stephan (April 28, 1920 – April 10, 1934) and Brig. Gen. William Harvey (June 4, 1913 – August 17, 1917)
Enlisted men of the 1st Separate Battalion, an all African-American unit, examining weapons in the old army arms room prior to World War I