The F-35 Lightning II fighter jet is the most expensive fighter procurement program in modern history. Pratt & Whitney, the engine manufacturer for the F-35 Lightning II stealth fighter jet, recently ...

Pratt & Whitney is under contract to deliver 141 F135 engines for the 18th lot of F-35s. (Rick Goodfriend/Air Force) The U.S. Navy on Friday awarded Pratt & Whitney a contract modification worth up to ...