This aircraft was recognized as a national treasure on January 14, 2015. During the resistance war against the U.S. imperialists, nine pilots flew this legendary Silver Swallow numbered 4324 which took off 69 times, encountered the enemy 22 times, fired 16 times, and shot down 14 U.S. aircraft. The body of the MiG-21 is painted 14 red stars, symbolizing 14 enemy aircraft downed.