AH-64D Apache LongbowAH 64D Apache helicopter model. The Boeing (McDonnell Douglas) (formerly Hughes) AH 64D Apache is the Army's primary attack helicopter. It is a quick reacting, airborne weapon system that can fight close and deep to destroy, disrupt, or delay enemy forces. The Apache is designed to fight and survive during the day, night, and in adverse weather throughout the world. The principal mission of the Apache is the destruction of high value targets with the