AmTrac, short for Amphibious (or Amphibian) Tractor. Proper nomenclature was Landing Vehicle, Tracked and some of the WWII, Korean War and Vietnam War vets I talked to said LVT also stood for Large Vehicle Target.

I was there for that, I was behind that AAV. It shot out like a 8-foot flame from the exhaust before dying. The AAV that initially hooked up to tow had the lines come undone in the rough water and it got tangled in the towing AAV’s longitudinal forcing it to continue in on water-tracks. The Navy decided to keep going…