Upon completion of the Assault Amphibious Vehicle (IV) Crewman Course, a Marine
will be awarded the military occupational specialty of 1833.
The purpose of this course is to provide the training necessary to serve as a crewman of an Assault Amphibious Vehicle. AAV crewmen perform various duties incident to the operation and maintenance of assault amphibious vehicles and the Upgun Weapons Station (UGWS) MK19 40 MM / .50 CAL M2 machine guns. AAV crewmen prepare AAVs for the tactical employment of troops and equipment during ship to shore movement and subsequent operations ashore.