
While the U.S. Air Force is sticking with the General Electric [GE] F110-129 engine for the service's F-15EX fighter by Boeing [BA], potential foreign buyers may want a possibly cheaper RTX [RTX] Pratt & Whitney F100-229 engine. In 2021, the Air Force chose GE over Pratt & Whitney to build up to 329 engines for the F-15EX under a nearly $1.6 billion contract (Defense Daily, Oct. 29, 2021). The Air Force picked GE to build eight engines for F-15EX Lot…