U.S. Army Reserve Sgt. Matthew Crum with Company F,

U.S. Army Reserve Sgt. Matthew Crum with Company F, 1st Battalion, 214th Aviation Regiment based in Johnstown, Pa., monitors the right side of a UH-60 Black Hawk helicopter during Global Medic at Fort McCoy, Wis., June 11, 2015. Global Medic is the premier medical field training event in the Department of Defense and is the only joint accredited exercise conceived, planned and executed by Army Reserve Soldiers. Service members from multiple DOD branches train together in a joint force environment, further strengthening their abilities to serve together around the globe. (U.S. Army photo by Pfc. Christopher Martin/Released)