WASHINGTON — The U.S. Navy will immediately suspend submarine repair work at four dry docks in Washington state, following new concerns about their ability to withstand seismic activity, service leaders told Defense News. The Navy identified new concerns related to dry docks 4, 5 and 6 at Puget Sound Naval Shipyard as well as the dry dock at Trident Refit Facility Bangor, two service officials told Defense News on Thursday. They stressed there is “no immediate risk” and that this step is