Sue, my dad, Corporal John Bradley (Brad) Bowen drove a TD in the 637th. They were at Bougainville in the Solomons (where Guadalcanal is) and then Luzon in the Philippines, participating in the liberation of Manila. He trained at Fort Knox, Kentucky. He passed away in August 2005.
Old warriors don't tell much about battle; my dad only told stories of screw-ups and hijinks and being very scared.
I believe they landed at New Caledonia en route to Bougainville.
Send me an email at firstname.lastname@example.org and I can send a photo of my restored GI jeep with the markings of the 637th. Mike Bowen