Radar mountings in the nose of the Lockheed Martin F-35 fighter are different for the current AN/APG-81 by Northrop Grumman and the future AN/APG-85 radar, also by Northrop Grumman–a difference which ...
The top 5th-Gen fighters head-to-head.
Though Lockheed Martin is the primary contractor for the F-35 Lightning II fighter jet, nearly every major US defense firm has a hand in its production.