Boeing Gears Up to Replace B-52 Engines

Pratt and Whitney engine testbed B-52, with one JT9D replacing two

Here Are All The Latest U.S. Air Force Bomber Fleet Updates You Need To Know - The Aviationist

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B-52 Engine Replacement Could Keep the Bomber Flying Past its 100th Birthday - FLYING Magazine

The B-52 Bomber is getting more advanced radar than Russia's Su-35 fighter

US Air Force eyes September for next phase of re-engining B-52 bombers

1.0] B-52 Evolution

Boeing B-52 Stratofortress - Wikipedia

B-52 Stratofortress Commercial Engine Replacement Program completed wind tunnel testing - The Aviation Geek Club