SR-71 Blackbird - Custom Army Air Corps It was originally designed by

It was originally designed by a small group led by two Americans who were experienced in modern all-metal "stressed-skin" construction

Length 20 inches

and many people with only casual interest in aircraft

It combines stealth design with the supersonic

Boeing 377 Northwest Airlines airplane model

SR-71 Blackbird - Custom Army Air Corps It was originally designed bySR 71 Blackbird custom airplane model. Developed for the USAF as reconnaissance aircraft more than 30 years ago, SR 71s are still the world's fastest and highest flying production aircraft. The aircraft can fly more than 2200 mph (Mach 3+ or more than three times the speed of sound) and at altitudes of over 85,000 feet. For its reconnaissance mission, the aircraft was outfitted with an advanced synthetic aperture radar system [ASARS I], an optical bar