The F-15EX Eagle II provides a unique opportunity for the test enterprise as it is the first Air Force aircraft to be completely tested and fielded through combined developmental and operational test efforts. Capabilities that the F-15EX adds to the F-15C are its fly-by-wire system; two extra weapon stations, and an updated cockpit with touch-screen color displays; EPAWSS and advanced radar capabilities.The official role of the EX is to meet capacity requirements while bringing diverse technology ensuring the platform's relevance for decades to come.