What You Need to Know: The YF-12 was a high-speed interceptor developed from the A-12, the predecessor of the SR-71 Blackbird. Designed during the Cold War to replace the F-106 Delta Dart, it boasted ...

Here’s What You Need to Remember: For years, there were rumors of an even faster spy plane, the Aurora, but its existence seems unlikely at this point. Rather, the Pentagon relies on drones and ...

Key point: The A-12 officially had a maximum speed of Mach 3.2—but the missiles that were following Sullivan could attain Mach 3.5. Analysis of Week’s photos located the USS Pueblo near Wonsan ...