CAMP SHELBY, Miss. (Feb. 17, 2014) Builder Constructionman Tristan Kesselring assigned to Naval Mobile Construction Battalion 11 stands a listening post/observation post watch during NMCB-11 field training exercise. Upon successful completion of the exercise and final evaluation problem, NMCB-11 will become deployment ready. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael C. Barton/Released)