The P -47 had 8 machine guns and could carry 2500 pounds of bombs or 5 (127 mm) high velocity rockets. This plane with bulletproof glass could take tremendous punishment and was the best ground attack plane in WW2. Thunderbolt pilots claimed to have destroyed 86,000 railroad cars, 9,000 locomotives, 6,000 armored fighting vehicles, and 68,000 trucks. It was also an excellent fighter and produced > 3750 air to air kills.