The MiG-21F-13 FISHBED C exhibited by the National Air and Space Museum carries the possible construction number "Series N 19, GREG N 19A, ... Gunston. "MiG Aircraft Since 1937." London: Putnam, 1998.

Blue Paw Print also compares the MiG-21 to its main rival, the American F-4 Phantom II, a larger, more powerful and better ...