Most of their daily tasks are to complete preventative and corrective maintenance on the vehicle. Their daily tasks also include training with the vehicle in the water and on various terrains. The Crewman complete pre-combat checks and inspections to ensure the vehicle is ready to go in a moment's notice.

How long is AAV crewman MOS?

The AAV crewmen course is 55 training days long. In the first phase of the course, Marines are taught how to drive an AAV on land.

What does AAV do in the Marines?

An Assault Amphibious Vehicle Crewmember performs various duties related to the operation and maintenance of the AAV, to include tactical employment, gunnery using the onboard weapon systems, communications, and maneuver.