Air Combat Command

ELLSWORTH AIR FORCE BASE, S.D. – Tech. Sgt. Tywone Weston, 28th Maintenance Squadron aerospace propulsion test cell assistant NCO in charge, checks a B-1B Lancer General Electric F-101 turbofan engine for leaks, Oct. 6. The 28th MXS at Ellsworth Air Force Base, S.D. manages 138 F-101 engines to assist B-1 readiness. (U.S. Air Force photo/Senior Airman Corey Hook)

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ELLSWORTH AIR FORCE BASE, S.D. – A B-1B Lancer General Electric F-101 turbofan engine is tested at Ellsworth Air Force Base, S.D., Oct. 6. The B-1 has four F-101 engines with each capable of providing more than 30,000 pounds of thrust with an afterburner. (U.S. Air Force photo/Senior Airman Corey Hook)

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ELLSWORTH AIR FORCE BASE, S.D. – Staff Sgt. Nicholas Tester, 28th Maintenance Squadron aerospace propulsion journeyman, operates a B-1B Lancer General Electric F-101 turbofan engine at Ellsworth Air Force Base, S.D., Oct. 6. Sergeant Tester uses a variety of digital and analog gauges to measure everything from oil pressure and fuel flow to thrust and exhaust gas temperature. (U.S. Air Force photo/Senior Airman Corey Hook)

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USAF — USAF. (U.S. Air Force Graphic by Rosario "Charo" Gutierrez)

Testing the engines

Published Oct. 13, 2010

USAF — USAF. (U.S. Air Force Graphic by Rosario "Charo" Gutierrez)

USAF. (U.S. Air Force Graphic by Rosario "Charo" Gutierrez)