The U.S. Coast Guard is seeking public input on proposed changes to buoy placement in Maine waters as its works to modernize its system of navigational aids across the Northeast. The Coast Guard previously announced in April that it would be removing more than 300 buoys in New England, prompting confusion and concern among mariners. The Coast Guard said last month that it would pause and adjust its plan. As a result of earlier feedback, the Coast Guard has already revised plans for more than half of the buoys included in the original proposal. Related Coast Guard postpones removal of buoys from Maine waters after outcryThe buoys serve various purposes, such as marking harbor entrances and coastal hazards.