How Many MiG-21s Were Lost In Vietnam?

How Many MiG-21s Were Lost In Vietnam? Russian source: 65 MiG-21s, 5 MiG-19s, 75 MiG-17s lost through all causes. How many MiG 21 shot down in Vietnam? 1972: U.S. claimed 51 MiG-21s destroyed; North Vietnam claimed 53 US aircraft shot down by MiG-21s, including two B-52 Stratofortress bombers. How many MiGs were shot down during