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

Pre-World War II 5-ton Mack Trucks

Mack EHT Scan: Courtesy of Richard Notton from Bart Vanderveen's Observer's Fighting Vehicle Directory, WW II
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."

Mack EHU Scan: Courtesy of Richard Notton from Bart Vanderveen's Observer's Fighting Vehicle Directory, WW II
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."