The Coast Guard is asking for the public's help to put a stop to the vandalism of aids to navigation throughout the Pacific Northwest. Several navigational lights in the region have been vandalized rendering them inoperable or limiting their visibility. Recently the batteries were deliberately and illegally removed from a light marking a red and black dayboard on a tower at Reach Range H Rear Light and other aids near Gray’s Harbor. Graffiti applied to the Elk Rock Island Light 13 near Portland, Ore., obscured the green dayboards making them harder to see at a distance and more difficult to read in general. "The loss of this equipment costs taxpayers and the Coast Guard in many ways: first is the obvious financial burden of replacing the damaged or stolen equipment…