"M1 is a real tank, in a real army, that fights real wars on a global stage. Keep in mind that a tank is only one component of a very sophisticated and nuanced military establishment consisting of millions of people. The tank must be deployed in quantities large enough to be successful and be supplied, maintained, they need 500-1000 gallons of fuel per day, and this number is 30 years old, but at one time the M1 required 11 support vehicles at the division level. You need to factor in APC's and