Soldiers of the 338th Harbor Master Operator Detachment stationed here at Joint Base Langley-Eustis, Va., monitor and track cargo being loaded onto military vessels and railroad cars during the Seaport Operations Company 13-2 training exercise here. Harbormasters track and monitor vessels' movements and loads to ensure port operations run safely and smoothly. Harbormasters maintain smooth, safe seaport operations 130806-A-TD020-407