November 1942. "Chicago, Illinois. Locomotives in an Illinois Central Railroad yard." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

January 1943. "Conductor handling engineer copy of train orders before a Chicago and North Western freight pulls out of Chicago for Clinton, Iowa. Since the track between those points is under automatic train control, the engineer hands the conductor the key to the automatic train control lock of the engine. The conductor will keep the key in the caboose until the train arrives at its destination." Acetate negative by Jack Delano, Office of War Information. View full size.

November 1942. "Chicago, Illinois. Maintenance crew repairing roundhouse tracks at an Illinois Central Railroad yard." Photo by Jack Delano, Office of War Information. View full size.

November 1942. "Chicago, Illinois. Locomotives in the Illinois Central railyard." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

November 1942. "Chicago, Illinois. General view of the north classification yard at an Illinois Central railyard." Acetate negative by Jack Delano, Office of War Information. View full size.

November 1942. "Chicago, Illinois. An oil train from the Southwest leaves an Illinois Central railyard for the Pennsylvania Rail Road to be sent on to the East." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

November 1942. "Chicago, Illinois. Tender and switch engine at an Illinois Central railyard." Acetate negative by Jack Delano for the Office of War Information. View full size.

November 1942. "Chicago, Illinois. In the roundhouse at an Illinois Central Railroad yard. This former switching engine is being rebuilt for use on the road." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

November 1942. "Chicago, Illinois. A pneumatic tube system connects the main yard office with yardmaster offices throughout the Illinois Central railyard. Switch lists and other communications are quickly sent in this way." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

September 1942. "Fort Belvoir, Virginia. George Camplair getting his injections at the reception center." Acetate negative by Jack Delano for the Office of War Information. View full size.

September 1942. "Fort Belvoir, Virginia. Sergeant George Camplair cleans his rifle regularly." Acetate negative by Jack Delano for the Office of War Information. View full size.

September 1942. Washington, D.C. "Sergeant George Camplair takes his girl to have some refreshments after the United Service Organization (USO) dance while he is at home on a weekend furlough." Acetate negative by Jack Delano, Office of War Information. View full size.

September 1942. "Fort Belvoir, Virginia. Sergeant George Camplair on one of his many visits to the post exchange." Acetate negative by Jack Delano, Office of War Information. View full size.

September 1942. Fort Belvoir, Virginia. "Army Sgt. George Camplair on kitchen police duty." Last seen here, 10 years ago. Photo by Jack Delano, Office of War Information. View full size.

June 1942. "Edgewood Arsenal, Maryland. Gas demonstration. Reconditioning gas masks at the gas mask factory." Medium format acetate negative by Jack Delano. View full size.