My name is Joshua B. M. i am going to boot camp on the march 12. I WILL be a Marine. My MOS (Military Occupation Specialties) is going to be 1812 M1A1 Tank Crewman.Summary. As members of an M1A1 tank crew or unit, M1A1 tank crewman perform various duties incident to the operation and maintenance of the tank, to include tactical employment, firing and maneuvering. Typical duties include preparing tanks, personnel, and equipment for movement and combat; preparation of ammunition for firing; locating targets; loading, aiming and firing of organic tank weapons using the tank fire control system; driving the tank; and performance of operator-level preventive and corrective maintenance. Complete the M1A1 Armor Crewman Course, Ft Knox, KY. (Note: 1811s who graduate from an M1A1 qualification course at Ft Knox, will become 1812s. Non-MOS qualified prior service reservists may be certified as 1812s after completion of a two phased training syllabus combined into a nineteen day attendance at the Marine Corps M1A1 Reserve Tank Commander/Gunner Course (MCRTCGC) Ft Knox, KY. Upon completion of the MCRTCGC, the battalion inspector-instructor may certify the Marine based upon satisfactory demonstration of the core skills as set forth in the Individual Training Standards while occupying a billet requiring the AMOS).After all this is done i will come home to Caldwell Id and report to GOWEN FIELD put in my papers For an LDS mission. and go where ever the Lord wants me. I would love to see you at my farewell.