Amanda Simpson, second from left, Deputy Assistant Secretary of Defense for Operational Energy, and Robert Warshel, left, Director of Operations, Operational Energy Plans and Programs, tour a KC-135 Stratotanker during a base visit July 29, 2016, on RAF Mildenhall, England. Simpson and Warshel met with the 100th Air Refueling Wing and the 352nd Special Operations Wing regarding operational energy areas of concern learned about the training and education provided to fuels and maintenance personnel. ( Air Force photo by Gina Randall)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: assistant, defense, deputy, energy, operational, secretary