An Inside Shakeup - Drivers On The American Locomotive company tank testing grounds at Schenectady, New York give and M3 (Medium) tank a rough ride before turning it over to the Army. A 28 ton tank is hurled off a four foot jump, while an emergency crew stands ready with fire extinguishers. There are handles inside, but no cushions. January 28, 1942. (Photo by Sport & General Press Agency, Limited.).