Marine Corps Job: MOS 1833 AAV Crewmember

POHANG, SOUTH KOREA - APRIL 26: U.S. Marine's Amphibious Assault Vehicle (AAV) from 3rd Marine Expeditionary Force landing team deployed from Okinawa, Japan, move their position during the U.S. and South Korean Marines joint landing operation at Pohang seashore on April 26, 2013 in Pohang, South Korea.
••• Chung Sung-Jun / Getty Images

As members of an Assault Amphibious Vehicle (AAV) crew or unit, AAV crewmen perform various duties to assist with the operation and maintenance of their vehicles and the up-gunned weapons station. AAV crewmen prepare AAVs for the tactical employment of troops and equipment during ship to shore movement and the resulting operations ashore.

The Marines now refer to these vehicles as Amphibious Combat Vehicles. 

Categorized as a military occupational specialty (MOS) 1833, this job is open to ranks ranging from private to master gunnery sergeant. It's considered a primary MOS (PMOS).  

Assault Amphibious Vehicles/Amphibious Combat Vehicles

In the Marine Corps, the EFV is a key part of many tactical deployments. These vehicles are designed to attack from the water on an enemy position on a shoreline. They approach from within the well decks of Navy assault ships and are highly mobile. These are the vehicles that transport Marines and their cargo through hostile territory so they arrive safely and succeed in their missions. 

The military renamed the AAV as the Expeditionary Fighting Vehicle in 2003, but that intended replacement was canceled before it was deployed. The Marines now refer to AAVs as Amphibious Combat Vehicles.

Duties of MOS 1833

Regardless of what the vehicles are called, the Marines who staff them have a wide variety of duties related not only to weapons and combat but maintenance and upkeep of the vehicles themselves.

These Marines conduct preventive maintenance checks and services on weapons. They conduct preventive maintenance checks and assist with weapons stations, installing weapons and loading weapons. 

Eligibility for MOS 1833

To qualify for this job, you need a score of 90 or higher on the general technical segment of the Armed Services Vocational Aptitude Battery (ASVAB) tests. You have to have a class 2 swimmer qualification and vision correctable to 20/40. Normal color vision is also required. 

Training for MOS 1833

After completing basic training (boot camp) at Parris Island, you'll complete the Assault Amphibian Crewman course at Camp Pendleton in California. Section leaders, ranking from staff sergeant to sergeant must complete the Assault Amphibian Unit Leader Course at Camp Pendleton.