Keywords: YA2F-1 NAN-12-60.jpg One of eight Grumman YA2F-1 Intruder prototypes photographed from below The first flight as on 19 April 1960 The aircraft was redesignated A-6 in 1962 U S Navy Naval Aviation News December 1960 http //www history navy mil/nan/backissues/1960s/1960/Dec60 pdf 1960 USN PD-USGov-Military-Navy A-6A Intruder |