In 1964 during the Vietnam War U.S. aviators were captured by the North Vietnamese. Paul F Crickmore shares the story of how two SR-71 Blackbirds generated tri-sonic booms to free captured US prisoners of war in his book Lockheed Blackbird: Beyond the Secret Missions (Revised Edition): On Jun. 10, 1970, …
Read More »That Time Two SR-71 Blackbirds Generated Tri-Sonic Booms To Free US POWs In North Vietnam
