The SR-71 Blackbird was incredible. The Blackbird was conceptualized as a high-speed spy aircraft that could peer down at any location in the globe within hours of receiving the order.
The SR-71 could sprint at speeds past Mach 3, or three times the speed of sound, at altitudes of 85,000 feet.
SR-71 Blackbird at USAF Museum July 2025. Image Credit: National Security Journal. It was active during the Cold War and enjoyed a brief renaissance after…