Deck Shoot U.S. Marines shoot during an exercise aboard the USS Boxer, Jan. 18, 2016. The exercise reinforces the execution of mission essential tasks to prepare for an upcoming deployment. The Marines are assigned to Maritime Raid Force, 13th Marine Expeditionary Unit. U.S. Marine Corps photo by Sgt. Hector de Jesus SHARE: Download: Full Size (0.63 MB) Credit: Sgt. Hector de Jesus VIRIN: 160118-D-HV319-062.JPG Photo Gallery