MiG-21US 4402 (c/n 02685144; s/n based upon last two + first two) was built in 1969 and delivered to the Polish air force in 1970. It served with 1PLM, as seen here on this picture, taken in June 1990 at Minsk-Mazowiecki. Is still carries the badge of the previous owner, 62PLM at Poznan-Krzesiny. After retirement, 4402 went to the US in 1995 as N22FR.