The F100-PW-220/220E was the result of the USAF's Alternate Fighter Engine (AFE) program (colloquially known as "the Great Engine War"), which also saw the entry of General Electric as an F-16 engine provider.
F100-PW-220/220E motoren var resultatet af USAFs 'Alternate Fighter Engine' (AFE) program (i folkemunde kendt som "Den Store Motorkrig"), som også gjorde General Electric til leverandør af F-16 motorer.