USAF rethinks future fleet, ponders clean-sheet 4.5 generation fighter

The US Air Force is studying a future fighter fleet that might include new Lockheed Martin F-16 fighters or possibly a clean-sheet 4.5 generation fighter. The service has for years advocated for recapitalizing its fleet with stealth aircraft, in particular the Lockheed Martin F-35. However, in 2020 it deviated from that stealth aircraft buying plan and began purchasing the Boeing F-15EX to replace ageing F-15C aircraft.

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