Senior Airman Tom Chamberlain III, 6th Airlift Squadron loadmaster, guides a Tunner 60K loader to the back of a C-17 Globemaster III at Joint Base Andrews, Md., April 15, 2015. Loadmasters and aircraft specialists work together to ensure accountability, safety and efficient load times. (U.S. Air Force photo/Airman 1st Class Philip Bryant)