to Caribbean waters. Grenadier operated out of New London until 15 September 1958, she transferred to Key West, Florida. From there Grenadier served more frequently in the Caribbean, and also patrolled and held exercises along the Atlantic and Gulf of Mexico coasts of Florida. While on special antisubmarine exercises in the North Atlantic on the morning of 29 May 1959, Grenadier, in company with a patrol plane, sighted and photographed a Soviet submarine prowling the waters off Iceland. It was the first confirmed sighting of a Soviet submarine in the Atlantic. Cuban Missile Crisis Grenadier again confronted Soviet ships when the Cuban Missile Crisis threatened nuclear war in October 1962. In company with , , , and , she formed part of the American fleet that blockaded and quarantined Cuba. After the Soviet offensive missiles were pulled out of Cuba, Grenadier was one of several ships dispatched to Cuba in November to assert and confirm the United States's rights and position there. Later career Grenadier continued patrols and training operations out of Key West. Assigned to SubRon 12, she participated in exercises along the Atlantic coast and in the Caribbean. In addition, she has provided valuable aid during the perfecting of advanced sonar and ASW equipment. She distinguished herself in 1966 gathering navigational data and other information in the Caribbean. Fate Grenadier was decommissioned, struck from the Naval Vessel Register and sold to Venezuela on 15 May 1973. Renamed the ARV Picua ("Barracuda"), she served in the Venezuelan Navy until 1990. References External links USS Grenadier SS525, Website maintained by former crew of the vessel Tench-class submarines Ships built in Boston 1944 ships Cold War submarines of the United States Ships transferred from the United States Navy to the Bolivarian Navy of Venezuela Tench-class submarines of the Bolivarian Navy of Venezuela