Keywords: F11F-1s VF-21 NAN1-61.jpg Twelve Grumman F11F-1 Tigers of fighter squadron VF-21 Mach Busters On 1 July 1959 VF-21 was redesignated VA-43 Challengers and became a fleet replacement squadron with the tail code AD VF-21 had had the tail code AF previously Therefore the photo may have been taken around the time of the redesignation U S Navy Naval Aviation News January 1961 http //www history navy mil/nan/backissues/1960s/1961/Jan61 pdf 1959 USN PD-USGov-Military-Navy Grumman F11F Tiger Fighter Squadron 43 United States Navy Aircraft formation flight |