In the fight against Germany's heavy panzers, American engineers made a radical bet: they built a tank hunter with almost no armor, believing that pure, unmatched speed was the ultimate defense. The ...

With its 1,500 shp gas turbine engine, the M1 Abrams can reach a top speed of 45 mph. Optimized to run on jet fuel, the engine is similar to the engines that propel many modern commercial aircraft.