180817-N-ZI635-031 CAMP SHELBY, Miss. (Aug. 17, 2018) Builder Constructionman Tyler Allmon stands watch with a M240 machine gun during Naval Mobile Construction Battalion (NMCB) 133's field training exercise (FTX) at Camp Shelby. FTX provides a robust training environment where Seabee forces plan and execute multiple mission essential tasks including convoy security, force protection, and camp buildup prior to deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class George M. Bell/Released)

Tags: NMCB 133, Seabees, FTX
Photo by: Petty Officer 2nd Class George B |  VIRIN: 180817-N-ZI635-031.jpg