RESPONSE PLANNING U.S. Marines enter and secure rooms against armed aggressors during a raid as part of the Realistic Urban Training exercise on Camp Fuji, Japan, July 9, 2012. The exercise is designed to integrate unique individual and small unit skills in conjunction with the 31st Marine Expeditionary Unit's increased proficiency in the rapid response planning process in a challenging and unfamiliar environment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 942922-L-YIC45-696.jpg Photo Gallery