The SR-71 is one of the U.S. Air Force's most prolific aircraft. Other than looking like a futuristic aircraft military model lovers have built for decades, it was designed and built in secret by the ...
On July 26, 1968, an SR-71 Blackbird was cruising over Northern Vietnam when the aircraft's Reconnaissance Systems Officer (RSO) noticed the “R” light illuminate on his panel. This warning indicated ...