The beautiful Chance-Vought Corsair is one of the most iconic planes of the second world war. But it has a lot of designations, and that can get confusing. There’s the F4U, the FG, the F2G, the F3A to name a few. The British flew the Corsair Mk I, II, III, and IV. There’s also an AU-1 Corsair, used by the Marines during the Korean War. Let’s break it down. Beginning in 1922 the Navy classified fighter aircraft as “F.” Each manufacturer was assigned a code letter, and Vought’s was “U.” So in 1927 Vought developed the FU biplane. 1929 was...