The SR-71 Blackbird
Here's a listing of some notable Blackbird missions. Some that changed history.
Also, at times various museum and other organizations hold special events to discuss and educate the public on the Blackbird program.
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).