Coast Guard Petty Officer 2nd Class Kelly Yost does a round in the engine room while aboard a 55-foot Aids to Navigation Boat, Aug. 16, 2016. As a crewmember with Aids to Navigation Team Puget Sound, Yost and her shipmates maintain 129 aids to navigation in the Puget Sound region. U.S. Coast Guard photo by Petty Officer 2nd Class Ali Flockerzi.