The F-22 Raptor represents the new air superiority fighter presently under construction for the U S Air Force It will eventually substitute the F-15 Eagles which have been in service since the late seventies The Raptor design uses the most recent engine technologies to reach super-sonic speed without afterburners Furthermore it will be equipped with highly sophisticated electronic equipment for its weapons control The weapons are carried inside the fuselage to avoid radar detection & to improve the plane s aerodynamic features