Service: US Army Armament: 30 mm M230 Chain Gun; Hydra 70 mm and ... The AH-64 Apache is the Army's heavy division/corps attack helicopter. The AH-64D Longbow remanufacture effort incorporates ...

There's one big difference between a military attack helicopter and a military transport helicopter: one carries a lot of guns, and the other carries a lot of weight. And the US Army AH-64 Apache ...