F-35 fighter (English: F-35, nickname: LightningII, translation: "Lightning II") is a single-seat, single-engine multi-purpose fighter designed and produced by Lockheed Martin of the United States, belonging to the fifth generation fighter with stealth capability. This aircraft is mainly used for various tasks such as close support, target bombing, air defense interception, etc. Therefore, three main derivative versions have been developed, including F-35A using traditional runway take-off and landing, F-35B using short-distance take-off/vertical take-off and landing, and F-35C as an aircraft carrier. On July 14, 2011, the first F-35A was officially delivered to the US Air Force for service.