Delivered on January 26th, 1972, MiG-21R 2657 (c/n 94R022657) served at Sochaczew (32PLRT) until 1991. It was retired to Mierzecice in May and noted there in June 1991, without the (re-used) centerline photopod. Other MiG-21R's present were 1139, 1375, 1507, 2051, 2355 and 2426. These have all been scrapped, the 2657 escaped that fate and is preserved at Ustron