ぐぐって最初にでた英文がこれだったわ
>he USAF is quick to tout that the F-22 Raptor fleet has been finally upgraded to use the AIM-9X Sidewinder
a long awaited move that will allow the most advanced air superiority fighter in the world to ditch the relatively ancient AIM-9M version of the iconic short-range air-to-air missile.

http://www.thedrive.com/the-war-zone/8754/f-22-now-has-aim-9x-but-still-no-helmet-mounted-display-to-use-with-it
ググってどの文章読めばいいのか具体的に教えてくれ