 Totally, during March – August 1970, Soviet MiG-21 pilots and SAM crews destroyed a total of 21 Israeli aircraft (eight by SA-3 missile systems and 13 by MiG-21s) at a cost of 5 MiG-21s were shot down by IAF, which helped to convince the Israelis to sign a ceasefire agreement.In September 1973, a large air battle erupted between Syria and Israel; Israel claimed a total of 12 Syrian MiG-21s destroyed, while Syria claimed eight kills scored by MiG-21s and admitted five losses.During the Yom Kippur War, Israel claimed 73 kills against Egyptian MiG-21s (65 confirmed).