Coast Guard civilian employees remove the shaft of the Coast Guard Cutter Hollyhock, a 225-foot seagoing buoy tender home-ported in Port Huron, Mich., during a dry dock at the Coast Guard Yard in Baltimore, Aug. 1, 2013. The Yard is the service's sole shipbuilding and major repair facility, and an essential part of the Coast Guard's core industrial base and fleet support operations. (Coast Guard photo by Petty Officer 2nd Class David R. Marin)