October 1942. Cowling and control rods are added to motors for B-25 bombers as they move down the assembly line at North American Aviation, Inglewood, Calif. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

February 1943. Readying a "Vengeance" dive bomber for landing gear installation at Consolidated-Vultee, Nashville. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

Working on Catalina flying boat at the Corpus Christi Naval Air Base. August 1942. View full size. 35mm Kodachrome transparency by Howard Hollem.

Mating operation on a C-87 transport plane just before it comes to the pre- assembly line at the Consolidated Aircraft Corporation plant, Fort Worth, Texas. October 1942. View full size. Kodachrome transparency by Howard Hollem.

Fitting the tail of a C-87 transport plane to the wing center section in the fuselage mating fixture at the Consolidated Aircraft plant, Fort Worth, Texas. October 1942. View full size. 4x5 Kodachrome transparency by Howard Hollem.

Wing center section of a Liberator bomber at the Consolidated Aircraft plant. October 1942. View full size. Kodachrome transparency by Howard Hollem.

P-51 Mustangs of the 332nd Fighter Group (Tuskegee Airmen). Ramitelli, Italy, March 1945. View full size. Photograph by Toni Frissell.

Tuskegee airmen exiting the parachute room at Ramitelli, Italy. March 1945. From left: Richard S. "Rip" Harder, Brooklyn, Class 44-B; unidentified airman; Thurston L. Gaines Jr., Freeport, N.Y., Class 44-G; Newman C. Golden, Cincinnati, Class 44-G; Wendell M. Lucas, Fairmont Heights, Maryland, Class 44-E. View full size. Photograph by Toni Frissell.

Shorpy is moving to a new server tonight, so there may be times when the site is unavailable. See you when we get back! 4x5 Kodachrome transparency of Civil Air Patrol plane (Stinson 10A) at Bar Harbor, Maine, by John Collier, June 1943. Full size. A couple more here and here.

Bombardier nose section of a B-17F Navy bomber at the Douglas Aircraft plant in Long Beach, Calif. October 1942. The B-17F "Flying Fortress" is a later model of the B-17. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

J.D. Estes at the Naval Air Base, Corpus Christi, Texas. August 1942. View full size. 4x5 Kodachrome transparency by Howard Hollem.

Garage mechanic near Newark, N.J., with Office of Defense Transportation badge. December 1943. Kodachrome transparency by Marjory Collins. View full size.

B-25 bombers on the outdoor assembly line at North American Aviation, almost ready for their first test flight. Kansas City, Kansas. October 1942. View full size. 5x4 Kodachrome transparency by Alfred Palmer for the OWI.

1942. "B-25 bomber final assembly line at North American Aviation works, Inglewood, Calif." Kodachrome transparency by Alfred Palmer. View full size.

Tule Lake Relocation Center near Newell, California. 1942 or 1943. Japanese American emergency relocation camp with Abalone Mountain in the distance. Photographer unknown. View full size.