June 1942. Construction work at the Tennessee Valley Authority's Douglas Dam. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

Circa 1942 silkscreen poster by Louis Hirshman encouraging safe disposal of matches, showing stylized Japanese soldier standing behind a tree with a match, with the rising sun in the background. Federal Art Project / WPA War Services Project. View full size.

July 1943. Scene in a wholesale meat market shot for the Office of War Information film "Black Marketing." View full size. Photo by Roger Smith.

October 1942. North American Aviation workers assembling wing component for a P-51 fighter. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

June 1942. M-3 tank in action at Fort Knox, Kentucky. View full size. 4x5 Kodachrome transparency by Alfred Palmer, Office of War Information.

November 1942. "An American pineapple, of the kind the Axis finds hard to digest, is ready to leave the hand of an infantryman in training at Fort Belvoir, Va." View full size. 4x5 Kodachrome transparency by Alfred Palmer.

Engineers' color guard at Fort Belvoir, Virginia. March 1943. View full size. 4x5 Kodachrome transparency, photographer unknown.

October 1942. P-51 "Mustang" fighter planes being prepared for test flight near the North American Aviation plant in Inglewood, California. View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

Tule Lake Relocation Center near Newell, Calif., 1942 or 43. We're starting the week with 10 photos from the Japanese American relocation camps of World War II. This one is unattributed; the rest are by Ansel Adams. View full size.

Model airplanes decorate the ceiling of the train concourses at Union Station in Chicago, Illinois. Jack Delano, 1943. View full size.

"The floating folds of the Star Spangled Banner symbolize the American way of life to soldiers in training for the battles that will bring freedom to an unhappy, wartorn world." Fort Knox, Kentucky, June 1942. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

July 1942. Servicing an A-20 bomber at Langley Field, Virginia. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

June 1942. Tank commander at Fort Knox, Kentucky. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

August 1942, Corpus Christi, Texas: "It's an intricate operation, installing a 30-caliber machine gun in a Navy PBY plane, but not too tricky for Jesse Rhodes Waller. He's a Georgia man who's been in the Navy 5-1/2 years. At the Naval Air Base he sees that the flying ships are kept in tip-top shape. Waller is an aviation ordnance mate." View full size. Kodachrome transparency by Howard Hollem.

August 1942. "Mrs. Eloise J. Ellis has been appointed by civil service to be senior supervisor in the Assembly and Repairs Department at the Naval Air Base, Corpus Christi, Texas. She buoys up feminine morale in her department by arranging suitable living conditions for out-of-state employees and by helping them with their personal problems." View full size. 4x5 Kodachrome transparency by Howard Hollem for the Office of War Information.