Thunder Over Louisville air show marks 70th anniversary of U.S. Air Force, Kentucky Air Guard
Airmen from the Kentucky Air National Guard’s 123rd Special Tactics Squadron jump in the Ohio River from a Kentucky Army National Guard UH-60 Blackhawk helicopter during the Thunder Over Louisville air show in Louisville, Ky., April 22, 2017. The demonstration is designed to show how the Airmen enter a body of water to conduct a rescue operation and recover downed personnel. (U.S. Air National Guard photo by Lt. Col. Dale Greer)

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Photo by: Lt. Col. Dale Greer |  VIRIN: 170422-Z-VT419-483.JPG