BANGOR, Wash. (June 05, 2017) Rear Adm. John Tammen, commander, Submarine Group 9, looks though the periscope in the attack center of Trident Training Facility Bangor’s new Submarine Bridge Trainer (SBT) following the ribbon cutting ceremony. The SBT gives submarine bridge team members the ability to navigate, pilot and moor the boat to and from a pier, while interacting with a complex visual and auditory environment, with all of the relevant ship sensors and systems. ( Navy photo by Mass Communication Specialist 1st Class Amanda R. Gray/Released)

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Keywords: 9, adm., bangor, bridge, commander, csg-9, cutting, group, rear, ribbon, submarine, tammen, trainer, tritrafac, ttf