Today in WW II: 2 Jul 1941 Empire of Japan mobilizes, calling 1 million men for military service.  

Chart of Military Semitrailers, Chassis

Semitrailer Chassis: 6-Ton, 4-Wheel M295A1.  From TM 43-0001-31
Semitrailer Chassis: 6-Ton, 4-Wheel M295A1. From TM 43-0001-31.

Military trailers designated as a chassis are manufactured as a base. Other equipment or components will be added to the chassis, often resulting in a new vehicle with a differnt model number.

Vehicle Description Photo Link
M-117 M-117 Chassis, Semitrailer, 6-ton, single axle (G-751)  
M-126 M-126 Chassis, Semitrailer, 12-ton, 4-Wheel M-126 Chassis, Semitrailer, 12-ton, 4-Wheel
M-295 M-295 Chassis, Semitrailer, 6-ton, 4-wheel