# RAF to Upgrade 107 Eurofighter Typhoon Jets
The Royal Air Force will undertake a comprehensive upgrade of 107 Eurofighter Typhoon fighter jets, according to the latest UK Defense Investment Plan. The modernization program carries a cost of £5.4 billion and will affect Typhoons from Tranches 2 and 3 of the aircraft's production variants.
The upgrade program excludes four Tranche 1 Typhoon aircraft, which will remain stationed at the Military Flying College (MPC) in the Falkland Islands. These four jets will not be included in the modernization initiative, distinguishing them from the broader fleet upgrade affecting the newer variants of the aircraft.
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