Unionized workers at Pratt & Whitney on Sunday ratified a three-year contract, ensuring labor peace as the jet engine manufacturer looks forward to a return to pre-pandemic air travel and steady ...

Pratt & Whitney had already secured a contract, which could be worth several billion dollars, for engine development for the new manned jet, which is known as Next Generation Air Dominance (NGAD).

Pratt & Whitney is planning further development of rotating detonation engine (RDE) technology following “positive test results” from a series of ground tests. The work, which was completed ...