CHEBOYGAN, Mich. - Matthew A. Smith stands at attention as his new should boards are put on his uniform during his promotion ceremony from ensign to lieutenant junior grade June 11, 2012 aboard Coast Guard Cutter Mackinaw at the ship's homeport of Cheboygan, Mich.Smith, a native of Kountze, Texas, is a deck watch officer aboard the Mackinaw, the Coast Guard's only 240-foot seagoing buoy tender/icebreaker. U.S. Coast Guard photo courtesy of Coast Guard Cutter Mackinaw.