Today in WW II: 17 Feb 1944 First day of the Battle of Truk, one of the most significant Pacific Theater air battles.  More 
17 Feb 1944 Battle of Eniwetok Atoll in the Central Pacific Marshall Islands [17-23 Feb].
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Pre-World War II 3-Ton GMC Trucks

GMC ACKWX353
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."

GMC ACX504
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."