The SR-71 is a strategic reconnaissance aircraft whose duty is to collect up-to-date informations regarding hostile military power flying over their territory at the altitude over 24,000m with the speed more than Mach 3. The GTD-21B, also manufactured by Lockheed, is a supersonic reconnaissance drone whose existence was not known in public until 1976.

A total of some, 50 aircraft is said to be built and they were carried and launched by the M-12 (the A-12 modified to this purpose) and the B-52H. It is said the last operational mission of the GTD-21B was made in Afghanistan in 1979, but most of the details about its actual missions and performances have not been released to this date.

• Fully engraved panel lines.
• Highly detailed cockpit interior and exhaust cones.
• Optional position wings and landing gear.
• Includes GTD-21B.