170220-N-TC437-037 CAMP SHELBY, Miss. (Feb. 20, 2017) Sailors assigned to Naval Mobile Construction Battalion (NMCB) 133 work together to build a watch post during a field training exercise 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)