170219-N-TC437-018 Camp Shelby, Miss. (Feb. 19,

170219-N-TC437-018 Camp Shelby, Miss. (Feb. 19, 2017)-Equipment Operator 3rd Class Mathew Clem, from South Bend, Ind., poses for a portrait inside of of his fighting position during a field training exercise with Naval Mobile Construction Battalion (NCB) 133. Seabees around the world will take part in a year-long celebration in 2017 to commemorate the group's 75-year anniversary in March. The theme of the celebration is "Built on History, Constructing the Future. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ignacio D. Perez/Released)