High Quality Content by WIKIPEDIA articles! USCGC Thetis (WMEC-910) is a United States Coast Guard medium endurance cutter. Laid down August 24, 1984 by Robert Derecktor Shipyard Incorporated of Middletown, Rhode Island. She was launched April 29, 1986 and named for the Greek goddess Thetis the mother of Achilles. She was commissioned on June 30, 1989. Thetis conducts patrols throughout the Caribbean and the Gulf of Mexico. Her duties include drug interdiction, marine environmental protection, alien migration and interdiction operations, search and rescue and military readiness. Patrols last anywhere from 4 to 9 weeks.