Today in WW II: 17 Mar 1942 Gen. Douglas MacArthur arrives in Australia, evacuated from Philippines.   

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."