Marines call the AAV an amtrac, short for amphibious tractor, and the 1833 is the Marine who crews it from the ship to the shore. MOS 1833 is Assault Amphibious Vehicle Crewman. The AAVP7A1 carries a...
The gator standing in the hatch on this patch is Gator, the mascot of 3rd Assault Amphibian Battalion, the amtrac outfit Marines call 3rd Tracks. The battalion was activated on 16 September 1942 in...