U.S. Air Force Staff Sgt. Shannon Hennessy, a military working dog (MWD) handler with the 52nd Security Forces Squadron (SFS), hugs Katya, a MWD assigned to the 52nd SFS, after a National Police Week march at Spangdahlem Air Base, Germany, May 12, 2014. The march was held in honor of all security forces Airmen and police officers who have lost their lives in the line of duty. (U.S. Air Force photo by Senior Airman Alexis Siekert/Released)