Hungarian air force performs first historic air refueling with help from NATO ally, partner
A Swedish air force JAS-39 Gripen flies next to a U.S. Air Force KC-135 Stratotanker June 26, 2015, during air refueling familiarization training over Hungary. Hungarian, U.S. and Swedish air force personnel met for a two-week familiarization period enabling the Hungarian JAS-39 Gripen pilots to successfully perform air refueling for the first time. (U.S. Air Force photo by Senior Airman Kate Thornton/Released)

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Photo by: Senior Airman Kate ThorntonReleased |  VIRIN: 150626-F-YG608-118.JPG