Members of the Coast Guard Honor Guard Silent Drill Team fire a 21-gun salute during the 34th anniversary memorial service of the Coast Guard Cutter Blackthorn collision at Blackthorn Memorial Park in St. Petersburg, Fla., Tuesday, Jan. 28, 2014. The Blackthorn sank after colliding with the tanker Capricorn near the Sunshine Skyway Bridge on Jan. 28, 1980. U.S. Coast Guard photo by Petty Officer 2nd Class Michael De Nyse.