U.S. Air Force C-17 Globemaster III members from Joint Base Lewis-McChord, W.A., and U.S. Army members from the 82nd Airborne Division conduct a pre-mission brief before conducting static line drops on Sicily Drop Zone during Battalion Mass-Tactical week at Pope Army Airfield, N.C., July 12, 2016. During mass-tactical week the Army and Air Force units work together to improve interoperability for worldwide crisis, contingency and humanitarian operations. (U.S. Air Force photo by Staff Sgt. Sandra Welch)