Senior Master Sgt. Kimberly Perez, 2nd Special Operations Squadron first sergeant, bears the 919th Special Operations Group guidon prior to an award ceremony March 4, 2018 at Duke Field, Fla. The 919th SOG is one of the Air Force's most decorated units, having won the service's second highest unit decoration -- the Gallant Unit Citation -- in 2007 for heroism in combat actions while engaged against an enemy force from Oct 2001 to July 2003. (U.S. Air Force photo/Tech. Sgt. Jonathan McCallum)