The AH-64 Apache has been the U.S. Army's main attack helicopter since the mid-1980s. To date, Boeing has created more than 1,200 scary and powerful $20 million Ah-64 multipurpose attack helicopters. AH-64B Apache Bravo - upgraded version of AH-64A, with a new radar and new GTD and the possibility of using UR "air-to-air" AIM-9L Sidewinder.