June 1942. An M-4 tank crew training at Fort Knox, Kentucky. View full size. 4x5 Kodachrome transparency by Alfred Palmer, Office of War Information.

June 1942. Boiler welder at Combustion Engineering in Chattanooga, Tennessee. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

October 1942. "American mothers and sisters, like these women at the Douglas Aircraft Company plant in Long Beach, California, give important help in producing dependable planes for their men at the front." View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

May 1942. Marines training in barrage balloon technique at Parris Island, South Carolina. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

December 1940. "Industrial buildings in a Massachusetts town, possibly Brockton." View full size. 35mm Kodachrome transparency by Jack Delano.

1941. Building liberty ships in an abandoned freight car factory near the Atlantic coast. Freighter sections for the merchant fleet are being prefabricated at the rate of one ship a week. View full size. Photograph by Howard Liberman.

Private Ivan A. Smith, editor of the Camp Hood Panther, at Camp Hood, Texas, originated this novel method of reminding fellow soldiers to practice discretion. From the Office of War Information, 1943. View full size.

December 1942. A winter afternoon in the North Proviso yardmaster's office, Chicago & North Western Railroad. View full size. 4x5 Kodachrome transparency by Jack Delano. Click here for a closeup of the poster on the wall.

March 1942. "George Carell's seven-year-old son George Jr. likes to watch his father produce essential war equipment in his Passaic, New Jersey, home workshop. Mr. Carell belongs to a subcontract pool organized by the Howe Machinery Company." View full size. 5x7 negative by Howard Liberman.

October 1942. Bomb bay gasoline tanks for long-range flights by B-25 bombers await installation at the North American Aviation plant in Inglewood, California. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

October 1942. "Clerk in North American Aviation stockroom, checking to see if the proper numbers of parts were received and placed in the proper bin. Inglewood, California. This plant produces the battle-tested B-25 (Billy Mitchell) bomber, used in General Doolittle's raid on Tokyo, and the P-51 (Mustang) fighter plane which was first brought into prominence by the British raid on Dieppe." View full size. 4x5 Kodachrome transparency by Alfred Palmer.

October 1942. Assembling switchboxes on the firewalls of B-25 bombers at North American Aviation's Inglewood, California, factory. View full size. 4x5 Kodachrome transparency by Alfred Palmer, Office of War Information.

October 1942. Lathe operator machining parts for transport planes at the Consolidated Aircraft plant in Fort Worth, Texas. View full size. 4x5 Kodachrome transparency by Howard Hollem, Office of War Information.

July 1942. Woman and her daughter in the Frederick Douglass housing project in the Anacostia section of Washington, D.C. View full size. 4x5 safety film negative by Gordon Parks, Office of War Information.

December 1943. "Lynn Massman, wife of a second-class petty officer who is studying in Washington, preparing dinner." View full size. Photograph by Esther Bubley for the Office of War Information.