U.S. Air Force 1st LT Noel Carroll, Flight Nurse, 455th Expeditionary Aeromedical Sq., has a morning routine of working out at a fitness center named after her brother, USAF SSgt Timothy Davis, Bagram Airfield, Afghanistan, May 31, 2012. The fitness center, called "The Rock", displays a memorial for her brother, who in 2009 was killed in action after an improvised explosive device (IED) struck his convoy. Davis was a Combat Controller. (U.S. Air Force photo/Staff Sgt. Clay Lancaster Released)