Four DRAAF MiG-21s are known to have been shot down by Pakistani F-6s and Mirage IIIs in 1986. Algerian Air Force (QJJ). First received MiG-21F-13 starting in 1965, a total of 40 delivered; 31 were 'lent' to Egypt in 1967 for the Six-Day War. Of these, six landed at an airbase just captured by the Israelis in the war – one pilot destroyed his plane, the other five were captured, and four of these were shipped to the US for evaluation by the USAF. In 1966–1967 30 MiG-21PF were received, followed by probably 40 MiG-21PFM. Six MiG-21R were reportedly delivered; there is no further information. Some MiG-21M and MiG-21MF were also received; these were all designated "MiG-21MF" by the QJJ. About 60 MiG-21bis of both 75A and 75B were delivered. Some MiG-21s were traded to Ukraine as part of a package for 36 MiG-29S; similar deals may have been made with Belarus, who provided Algeria with 36 more MiG-29S aircraft. The last MiG-21s were withdrawn from service by 2003. Before 1993, MiG-21s served with the following units: After 1993, MiG-21s were assigned to the following units:  Bangladesh Air Force. Received 12 HAL-built (Indian) MiG-21MF in 1973. All now retired, instead use Chengdu J-7. Belarus Air Force  Bulgarian Air Force. From 1963 to 1990, Bulgaria received 224 MiG-21s. Six remained in service as of 2012. Bulgaria received 12 MiG-21F-13 in 1963; the surviving nine were converted to MiG-21F-13R standard as reconnaissance aircraft. The last six were retired in 1988 as life expired. 12 MiG-21PF were delivered in 1965; four were lost in accidents, the other eight were retired in 1991. 12 MiG-21PFM were received in 1965, followed by 32 more in 1977–1978 from Soviet surplus stock and two more in 1986; further, four MiG-21PFS were delivered from Soviet surplus; of the 46 MiG-21PFM and 4 MiG-21PFS, seven were lost in accidents and four were sold to Nigeria; the last active aircraft were withdrawn in 1992.