U.S. Air Force airmen respond to an insurgent group posing a threat to a UH-60 Black Hawk helicopter. U.S. Air Force airmen with the 169th Security Forces Squadron respond to an insurgent group posing a threat to a UH-60 Black Hawk helicopter during exercise Operation Rita in Eastover, S.C., on Feb. 2, 2012. Operation Rita is conducted to familiarize Air Force security forces with Army aviation threat response practices. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 857313-F-LCK29-875.jpg Photo Gallery