Today in History – March 5, 1966 – For the first time, the secret Lockheed D-21 drone, “Tagboard” is successfully deployed in flight from a supersonic aircraft
5 March 1966 – The D-21 Tagboard drone “was first launched from an M-21 on 5 March 1966.[8] The drone was released but stayed close to the M-21’s back for a few seconds, which seemed like “two hours” to the M-21 crew.[9] A second launch took place on 27 April 1966; the D-21 reached its […]