Revealed: History's Most Expensive Military Vehicles

12. Chengdu J-20 – USA

Producer: Chengdu Aerospace Corporation Primary user: People’s Liberation Army Air Force Program cost: $3.5 billion* Unit price: $30 million Nicknamed the Mighty Dragon, the J-20 is a stealth, all-weather twin-jet fighter born of the 1990s J-XX program.

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First flown in 2011 and unveiled in 2016, it entered service in 2017; by 2021, 150 aircraft were in PLAAF hands, joining the F-22 and F-35 as the only operational fifth-generation fighters.