A B-1 bomber rumbles down the flightline at Ellsworth Air Force Base, S.D. , July 24, 2012 as part of a training mission. Each of the B-1’s four engines is capable of producing 30,000-plus pounds of thrust. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

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Photo by: Zachary T. C. Hada, A1C, USAF |  VIRIN: 120724-F-HK400-902.JPG