Pratt & Whitney F100 is an active afterburning turbofan family for the F-15 Eagle and F-16 Fighting Falcon. The lineage includes F100-PW-100, -200, -220, and -229 branches; more than 3,800 engines serve 23 air forces after over 30 million flight hours, and the F100-PW-229 remains supported for current F-15EX and F-16 operators.