U.S. Army Maj. Gen. Christopher Mohan (right), 21st

U.S. Army Maj. Gen. Christopher Mohan (right), 21st Theater Sustainment Command Commanding General, speaks with U.S. Army Command Sgt. Maj. Rocky Carr, 21st Theater Sustainment Command senior enlisted advisor, during a Rehearsal of Concept (ROC) Drill for Atlantic Resolve at Rhine Ordnance Barracks, Germany, Aug. 16, 2019. ROC drills facilitate the operational concept and allows participants to directly visualize their actions, put contingency plans into place, and practice operations. Atlantic Resolve builds readiness, increases interoperability and enhances the bonds between ally and partner militaries with multinational training events in countries across the European theater. (U.S. Army photo by Spc. Elliott Page)