A U.S. Air Force KC-135 Stratotanker from the 100th Air Refueling Wing, RAF Mildenhall, England, arrives in Bucharest, Romania, for air refueling training with Romanian air force counterparts, March 11, 2019. The crew trained with Romanian air force F-16s over the skies of Romania to enhance regional capabilities, and secure air sovereignty and promote peace and security through cooperation, collaboration, interoperability with NATO partners and other allies in the region. (U.S. Air Force photo by Airman 1st Class Brandon Esau)

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Photo by: Brandon Esau |  VIRIN: 190311-F-QO224-1107.JPG