CONVOY GUIDE A Seabee assigned to Naval Mobile Construction Battalion-1 guides a convoy onto Camp Shelby. Miss., Nov. 8, 2008. The battalion is participating in field training exercise "Operation Desert Justice." The exercise tests the battalion's capabilities in a contingency environment. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 089745-T-FRM70-015.jpg Photo Gallery