Kelly Johnson explains a modified two-seater A-12. In 1966 the aircraft and drone were redesignated M-21 and D-21

[Dronescapes]

Kelly Johnson explains a modified two-seater A-12. In 1966 the aircraft and drone were redesignated M-21 and D-21

View: https://youtu.be/vwv6BiaUtDU?si=6eEG6INGzd8bNe4O&t=465

 

[Gnomey]

Nice one!