Pod racer engine? Nope. It's a B-1B Lancer F-101 turbofan engine testing earlier this month at Ellsworth Air Force Base, S.D. The B-1 has four F-101 engines, each capable of providing more than 30,000 pounds of thrust with afterburner.
Anybody got marshmallows?
And yes, for purposes of size comparison, that is an exit door in the background. Here's another look from below:
Photo Credit: Senior Airman Corey Hook / U.S. Air Force