History of Elon Musk's Favorite Plane: SR-71 Blackbird Spy Plane
SR-71: The Complete Illustrated History of the Blackbird, The World's Highest, Fastest Plane: Graham, Col. Richard H.: 9780760343272: Amazon.com: Books
The CIA's Legendary Blackbird Was Actually the First Stealth Warplane
Even With All the Secrecy, the SR-71 Spy Plane Was Damned Hard to Hide | by War Is Boring | War Is Boring | Medium
Sept. 1, 1974: New York to London in Less Than 2 Hours | WIRED
World Record: Why the SR-71 Blackbird Is Still the Fastest Plane | The National Interest