Meng 1/35 Meng M1A2 SEP Abrams Tusk I/II US Main Battle TankDescription The M1A2 SEP main battle tank is the latest variant of the U. S. M1 series main battle tanks. The M1A2 SEP MBTs serving in the Middle East and Afghanistan are usually fitted with the Tank Urban Survival Kit (TUSK). This TUSK kit includes add on armor against chemical energy armor piercing projectiles, bulletproof steel and glass shields against rifle bullets outside the commanders and the loaders hatches, and a coaxial M2HB heavy machine