Pratt & Whitney J58 turboramjet - Lockheeed's Secret SR-71 engine

Have you been kept awake at night pondering the question "How did Lockheed get the SR-71 Blackbird to Mach 3.2"?
No, neither have I. However if you want to know how those Pratt and Whitney J58 engines achieved the required thrust, this 5:56 video explains it in a way that should be easily understood by most.

Pratt & Whitney J58 TurboRamjet Engine