Sibling volunteer duo
In the interim after boot camp and on his way to additional combat training, Private 1st Class Michael Dempsey visited his sister, Cindy Knopf, Aug. 22, 2013, in the same office he volunteered at from 2008 to 2011 on MacDill Air Force Base, Fla. (U.S. Air Force photo by Senior Airman Michael Ellis/Released)