170218-N-TC437-077 CAMP SHELBY, Miss. (Feb. 20, 2017)Builder Constructionman Dylan Simmons clears the corner of a building during a field training exercise with Naval Mobile Construction Battalion (NMCB) 133 at Camp Shelby, Mississippi. Seabees around the world will take part in a year-long celebration in 2017 to commemorate the group's 75-year anniversary in March. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ignacio D. Perez/Released)