Please consider upovoting and commenting as it took me around 4 hours 36 minutes, this is the only prototype which is successfully capable of smooth landing and takeoff and the early prototypes failed.

HISTORY

Mikoyan-Gurevich MiG-21.
The Mikoyan-Gurevich MiG-21 was a Russian built aircraft NATO reporting name: (Fishbed) 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; Olówek, Polish for "pencil", due to the shape of its fuselage,[3] and it also got a name "Silver Swallow", in Vietnamese language by Vietnamese pilots.

MiG-21
MiG-21 Lancer C
Romanian MiG-21 Lancer-C in flight
Role
Fighter and interceptor aircraft
National origin
Soviet Union
Design group
Mikoyan-Gurevich
First flight
June 16, 1955 (Ye-4)[citation needed]
Introduction
1959 (MiG-21F)
Status
In service
Primary users
Soviet Air Forces (historical)
Indian Air Force
Croatian Air Force
Romanian Air Force
Produced
1959–1985
Number built
11,496[1]
(10,645 produced in the USSR, 840 in India, 194 in Czechoslovakia)
Unit cost
MiG-21FL (Indian version): $2 million (1974)[2]
Variants
Chengdu J-7
Approximately 60 countries over four continents have flown the MiG-21, and it still serves many nations six decades after its maiden flight. It made aviation records, became the most-produced supersonic jet aircraft in aviation history, the most-produced combat aircraft since the Korean War and previously the longest production run of a combat aircraft (now exceeded by both the McDonnell Douglas F-15 Eagle and General Dynamics F-16 Fighting Falcon).

Credit goes to
www.wikipedia.com