U.S. Air Force Staff Sgt. Chris Barnum, 30th Aerial Port Squadron, Niagara Falls Air Reserve Station, N.Y. marshals in a load of cargo on to a C-17 Globe Master, 89th Airlift Wing Wright Patterson AFB, Ohio on May 7, 2014 during exercise Patriot Warrior at Fort McCoy, Wis. United States military reserve components from all branches participate in combined exercises Patriot Warrior, Global Medic, Diamond Saber and CSTX in preparation for upcoming deployments in joint environments. (U.S. Air Force photo by Master Sgt. Francisco V. Govea II/ Released)