The Mikoyan-Gurevich MiG-21 is a supersonic jet fighter and interceptor aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union. Its nicknames include: "Balalaika", because its planform resembles the stringed musical instrument of the same name; "Ołówek", Polish for "pencil", due to the shape of its fuselage, and "Én Bạc", meaning "silver swallow", in Vietnamese.
Mikoyan-Gurevich MiG-21
Hungarian Air Force MiG-21bis on takeoff.
Retired Finnish MiG-21bis on top of Verkkokauppa store in Helsinki (Tyynenmerenkatu 11).
MiG-21bis rear.
The wing configuration of a fixed-wing aircraft is its arrangement of lifting and related surfaces.
The Spitfire wing may be classified as: "a conventional low-wing cantilever monoplane with unswept elliptical wings of moderate aspect ratio and slight dihedral".