Coast Guard Commandant Adm. Thad Allen speaks during the 30th anniversary memorial service of the Coast Guard Cutter Blackthorn collision Jan. 28, 2010. The Blackthorn sank after colliding with the tanker Capricorn near the Sunshine Skyway Bridge, in St. Petersburg, Jan. 28, 2009. (U.S. Coast Guard photo by Petty Officer 3rd Class Rob Simpson)