Coast Guard Adm. Peter Brown, commander of the 7th Coast Guard District, speaks during the 38th Annual Coast Guard Cutter Blackthorn memorial service, Sunday, Jan. 28, 2018 at the Liberty Baptist Church in St. Petersburg, Florida. 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 1st Class Michael De Nyse)