The Fog of War: 1942 April 1942. "Fort Riley, Kansas. Training of Negro units and white units. Soldier of a cavalry rifle unit going through smokescreen during a field problem." Acetate negative by Jack Delano for the U.S. Foreign Information Service/Office of War Information.

The Fog of War: 1942 April 1942. "Fort Riley, Kansas. Training of Negro units and white units. Soldier of a cavalry rifle unit going through smokescreen during a field problem." Acetate negative by Jack Delano for the U.S. Foreign Information Service/Office of War Information.