The AH-64 Apache is the Army's heavy division/corps attack helicopter. The AH-64D Longbow remanufacture effort incorporates a millimeter wave fire control radar, radar frequency interferometer ...
The AH-64 Apache helicopter was initially designed as an anti-tank weapon but has been used for precise close air support. The Apache’s AGM-114 Hellfire missile utilization, laser-guided ...
And the US Army AH-64 Apache and Russian Ka-52 Alligator are generally considered to be the two best military attack helicopters in the world (with the Russian Mi-28N arguably in a close third).