It is off-the-beaten-path that development and the examination of the D-21 scout drone were done in a series of blackbird program. It was A-12 of the U.S. Air Force becoming the launching platform of the drone. Two airframe(serial number 60-6940 and 60-6941) was given the repair that is necessary for this duty , and it came to be called M-21. The flight of the combination of the M-21 mother machine and the D-21 drone that was called "Mother and daughter" was advanced up to an important stage of separating D-21. However, this plan was canceled because it had suffered a large number of casualties at the same time as losing the airframe due to the accident when the separation was examined. Moreover, though the experiment of the D-21 drone was continued afterwards, everything was discontinued along with the disposition of SR-71. Panel is not included.
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→ Date: 12 years ago (15.09.2008 12:38)
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До скольки разгоняется? ~Anonymous~, 1 month ago, #
до 13 лет. Annonim, 1 month ago, #
 5 
Super!!! azertyfft, 10 years ago, #
 4 
Small appliances. Wanted - to fly without an object D-21 on the roof. АНТОН_ОБЛЕЗИН, 10 years ago, #
Wow, nostalgia kakaya.Ya remember, at that only in X-Plane 3,5 years ago, fly)) GOR555, 12 years ago, #