Many folks mistake it for the SR-71 however the A-12 Oxcart was truly the predecessor to the well-known Blackbird. Designed by Kelly Johnson and constructed however the people on the Skunkworks, the A-12 was smaller and sooner than its sibling and has specs which can be nonetheless labeled immediately however it flew each increased and sooner than the SR-71. Enjoy this video of an RC mannequin of the (much less) well-known A-12.