4th Assault Amphibian Battalion (4th AABn)

"Gladius Ex Mari" -

The 4th Assault Amphibian Battalion is a mechanized battalion of the United States Marine Corps Reserve. Their primary weapon system is the AAV-P7/A1 (formerly LVTP-7) Amphibious Assault Vehicle and they are part of the 4th Marine Division of the Marine Forces Reserve. The unit is based out of Tampa, Florida, with subordinate units in Florida, Virginia and Texas.