Workers assembling M3 military tanks at Chrysler tank arsenal

View of workers assembling M3 U.S. Army tanks at the Chrysler tank arsenal. Stamped on back: "The following credit line is requested: OEM defense photo. This is a U.S. Government photograph and may not be used for any advertising purpose. Its return will be appreciated. Division of Information, Office for Emergency Management, Washington, D.C." Typed on back: "D-1255. Tank manufacture (Chrysler). These are partially completed M-3 tanks, 28-ton steel giants being turned out at the huge Chrysler tank arsenal, in Detroit. The camera was directed toward the end of the three main assembly lines. Mass assembly methods developed in automobile manufacture are used. Note overhead cranes for heavy parts. OEM Defense photo by Palmer."