Construction Electrician Constructionman Dejuan Fitzpatrick, assigned to Naval Mobile Construction Battalion (NMCB) 11, prepares to act as the opposing force for an island seizure drill conducted by Marines assigned to 3rd Battalion, 3rd Marines during Exercise Valiant Shield 2016 in Tinian, Commonwealth of the Northern Mariana Islands (CNMI), Sept. 20, 2016. Valiant Shield is a biennial, U.S. Air Force, Navy and Marine Corps exercise held in Guam, focusing on real-world proficiency in sustaining joint forces at sea, in the air, on land and in cyberspace. (U.S. Navy Combat Camera photo by Mass Communication Specialist 1st Class Benjamin A. Lewis/Released)