The Marine Corps 1812 MOS is the Military Occupational Specialty for M1A1 Tank Crewmen. These crewmen operate, maintain, and maneuver the M1A1 Abrams tank. They also prepare the tanks, ammunition, personnel, and equipment for movement and combat.
To become a Marine Corps 1812 MOS, recruits must:
Take the ASVAB
Pass physical testing
Complete recruit training
Complete the M1A1 Tank Crewman course
The Marine Corps is cutting four MOSs, including 1812.