U.S. Soldiers attach a M149(Water Buffalo) to a UH-60L Black Hawk in Colon, Panama, April 21, 2013. Soldiers from Arizona Army National Guard's 2nd-285th Assault Helicopter Battalion conduct sling-load training for military service members supporting Beyond The Horizon mission. Beyond the Horizon is a U.S. Southern Command-sponsored, U.S. Army South-led, humanitarian and civic assistance exercise occurring in Panama until late June 2013. (U.S. Army Photo by 1st Lt. Joseph McDaniel/Released)