F-35 fighter (English: F-35, nickname: Lightning II, translation: "lightning II"), is a single seat single engine fighter / joint attack aircraft of the United States. It belongs to the fifth generation fighter in the world. It is the largest single engine single seat shipborne fighter in the world and the only shipborne fifth generation fighter in service in the world. F-35 fighter has high stealth design, advanced electronic system and certain supersonic cruise capability. It is mainly used for front-line support, target bombing, air defense interception and other tasks. Therefore, three major derivative versions have been developed, including f-35a with traditional runway takeoff and landing, F-35B with short-range takeoff and landing / vertical takeoff and landing, and f-35c as an aircraft carrier aircraft. The F-35 fighter, developed by Lockheed Martin of the United States, will become one of the most important fifth generation fighter planes of the United States and its allies in the future. On February 9th, 2015, he served in the Royal Air Force; On june28,2015, Japan's first F-35 began production. On june11,2018, the 300th F-35 fighter produced by Lockheed Martin of the United States was delivered to users. On September 28, 2018, an F-35B fighter plane crashed during a training flight in South Carolina, and the pilot successfully escaped. On October 11, the US Department of Defense announced that all F-35 fighters would be grounded temporarily for inspection. F35 has neither the ceiling nor the flight speed of F22, but it can defeat F22 in stealth. On may24,2021, the US "Military" website reported that a senior general of the US Air Force said that the US air force may retire some old F-35 fighters used for training in the next 10 years and purchase the most advanced F-35. On May 31, 2021, the British aircraft carrier "Queen Elizabeth" suffered an emergency landing accident of an F-35B carrier based fighter.