Posted: 12/01/2014
Two heavy container delivery systems plunge from the back of a C-17 Globemaster III aircraft to forces on the ground during the simulated Rainier War Dec. 6, 2014, over the Rainier drop zone, Wash. The Joint Concept for Entry Operations doctrine defines forcible entry as the seizing and holding of a lodgment in the face of armed opposition. (U.S. Air Force photo/Staff Sgt. Russ Jackson)