Petty Officer 3rd Class Patrick R. Figueroa, Walter Reed National Military Medical Center, Bethesda, Md., and Staff Sgt. Keesha Dentino, 947th Military Police Detachment, Fort Myer, Va., are greeted by Vice President Joe Biden and his wife Dr. Jill Biden before their dance during the 2013 Commander in Chief inaugural ball at the Walter E. Washington Convention Center in Washington, Jan. 21, 2013. Throughout the 57th Presidential Inauguration, the Obama and Biden families have taken the opportunity to highlight the spirit of service and selflessness seen everyday U.S. military men, women and their families. (U.S. Air Force photo by Chief Master Sgt. Robert W. Valenca/Released)