The F4U fighter (F4U Fighter, number: F4U, code name / Corsair, translation: pirate) is a propeller carrier and land-based fighter of the United States Navy.The F4U fighter is a single-seat, single-engine, straight-wing configuration with good acceleration performance, strong firepower, fast climbing, sturdiness and durability. It is the first fighter in the United States with a speed of more than 640 km / h, and it is also one of the fastest piston fighters. The design of its wings makes it look different from other similar aircraft. in addition to air combat, it also plays the role of tactical bomber.The F4U fighter, developed by the American Watt Company, made its first flight on May 29, 1940. It served in the US military from World War II to the Korean War. After the Korean War, the F4U still served in some countries until the 1960s. In the Pacific Battlefield of World War II, F4U and F6F were the main forces of the United States Navy and became strong rivals to Japanese fighters. After the war, according to the statistics of the United States Navy, the shooting down rate of F4U was 11 rides, that is, only 1 out of every 11 enemy planes was shot down, with an impressive record.