A KC-135 Stratotanker engine sits in front of a new KC-46 Pegasus engine at McConnell Air Force Base, Kansas, March 5, 2018. The KC-135 and KC-46 have similar missions, but the hardware used to complete missions are very different - the KC-46 uses two large engines in comparison to the KC-135’s four smaller engines. ( Air Force photo by Senior Airman Christopher Thornbury)

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Photo credit: © APFootage / Alamy / Afripics
License: Licensed
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Keywords: engine, kc-46