A Coast Guardsman salutes in front of the Coast Guard Cutter Blackthorn Memorial during the 33rd anniversary memorial service of the Coast Guard Cutter Blackthorn collision at Blackthorn Memorial Park in St. Petersburg, Fla., Monday, Jan. 28, 2013. The Blackthorn sank after colliding with the tanker Capricorn near the Sunshine Skyway Bridge, in St. Petersburg, Fla., Jan. 28, 1980. U.S. Coast Guard photo by Petty Officer 2nd Class Michael De Nyse