Chengdu J-20 – $110 million
China has its own stealth fighter, which is one of the most advanced planes in the world. The Mighty Dragon is equipped with long-range and air-to-air missiles, as well as laser-guided drop bombs and anti-radiation missiles, making it a bomber and capable of close-range combat. Furthermore, thanks to two WS-10G engines that produce 30,000lb of thrust, the jet can reach 1,305 mph. The aircraft was first used by the People’s Liberation Army Air Force in 2017.
Boeing E-4 Nightwatch – $223 million
The E-4 Nightwatch is a control post aircraft, which means it would be used by high-ranking officials, including the United States President, in an emergency. Boeing created the plane, which was first introduced in 1974. In 1998 money, the aircraft cost $223 million, or over $350 million after inflation. Despite its age, Boeing continues to upgrade the E-4 Nightwatch thanks to a $2 billion contract with the government. The E-4 Nightwatch has a large interior and can communicate at ultra-high frequencies.