SR-71 Blackbird’s Sisters: The OXCART Family Tree

The well-known SR-71 is actually the fourth airplane the Blackbird family. Fourth. The original plane designed by lockheed skunkworks was the A-12 spy plane for the CIA, built under the codename OXCART, which flew with a single pilot and advanced photography equipment. 18 were ordered, but only thirteen were built: for budgetary reasons all A-12s […]