USS Seawolf (SSN-575) Ship's Log 



Report a Historic Event
YearDateHistorical Events
1952Jul 21Contract awarded to the Electric Boat Co., Groton CT.
1953Sep 7Keel laid down by the Electric Boat Co., Groton, CT.
1955Jul 21Launched.
1957Mar 30Commissioned with CDR R. B. Laning in command.
 Apr 2Seawolf departed New London, CT.,for her shakedown cruise off Bermuda and returned on 8 May. Between 16 May and 5 August, she made 2 voyages to Key West and participated in intensive training exercises.
 Sep 3Seawolf steamed across the North Atlantic to participate in NATO exercises.
 Sep 25Seawolf surfaced off Newport, RI. after cruising 6,331 nonstop miles. The next day, President of the United States Dwight D. Eisenhower embarked and was taken for a short cruise onboard her.
 Nov 1Seawolf cruised to the Caribbean Sea for an exercise in November. In December, she began an availability period that lasted until 6 February 1958. She then participated in exercises along the East Coast until early August.
1958Aug 7Seawolf submerged on 7 August and did not surface again until 6 October. During this period, she logged over 13,700 nautical miles.
 Aug 7(Cont'd.) She received the Navy Unit Commendation for demonstrating the ability of the nuclear-powered submarine to remain independent of the earth's atmosphere for the period of a normal war patrol.
 Dec 12Seawolf returned to Electric Boat Company in Groton, CT., for conversion of her power plant from a S2G sodium cooled LMFR to a S2Wa PWR. She was out of commission until 30 September 1960.
1959Apr 18The Navy disposed of the radioactive S2G plant by sealing it in a 30 foot high stainless steel containment vessel, towing it out to sea on a barge, and then sinking the barge at a point about 120 miles due east of Maryland in 9,100 feet of water.
1961Jan 9Seawolf sailed to San Juan, Puerto Rico, to participate in local operations.
 Jan 25Seawolf was ordered to locate and track the Portuguese passenger liner Santa Maria which had been seized by pirates 2 days earlier. The submarine made contact with the liner off the coast of Brazil on 1 February.
 Jan 25(Cont'd.) After Santa Maria surrendered in Recife, Seawolf returned to San Juan and continued East Coast operations.
 Jul 7Seawolf began a two month oceanographic voyage which took her to Portsmouth, England
 Sep 19Seawolf returned to New London, CT.
1963Apr 10Seawolf participated in the search for the lost USS Thresher (SSN-593) and in various local and fleet operations until April 1964.
 Apr 28Seawolf stood out of New London, CT. enroute to the Mediterranean Sea and a three and one-half month deployment with the Sixth Fleet.
 Apr 28(Cont'd.) During the period, Seawolf operated with the aircraft carrier Enterprise (CVAN-65), guided missile cruiser Long Beach (CGN-9), and guided missile frigate Bainbridge (DLGN-25) as a part of the world's first nuclear task force.
1965May 5Seawolf entered the Portsmouth Naval Shipyard, Kittery, ME., for refueling and an extensive overhaul bringing her up to the SUBSAFE standard put in place after the loss of Thresher. This overhaul lasted until September 1966.
1967Aug 24Seawolf sailed from Portsmouth, NH.,for New London, CT., which was again her home port. The following month, she sailed to the Caribbean Sea for refresher training and weapons trials.
 Aug 24(Cont'd.) She had to have a propeller replaced at Charleston, SC. in early October and then conducted sea trials in the Bahama Islands for the remainder of the month. The end of the year 1967 found her back at her home port.
1968Jan 30Seawolf was operating from New London, CT.,when she grounded off the coast of Maine. She was towed back to New London, CT. for repairs and did not put to sea again until 20 March 1969, when she began sea trials.
1969Jun 1Seawolf was in the Caribbean Sea during June and July conducting underwater sound and weapons systems tests.
 Sep 29Seawolf was deployed with the Sixth Fleet from 29 September to 21 December 1969.
1970Nov 9Seawolf operated along the East Coast until 9 November 1970 when her home port was changed to Vallejo, CA., and she sailed for the West Coast.
 Nov 17Seawolf transited the Panama Canal and changed operational control to Submarine Force, Pacific Fleet.
1971Jan 8Seawolf entered drydock at the Mare Island Naval Shipyard, Vallejo, CA. for overhaul and conversion to a special project platform.
1973Jun 21Seawolf moved up the coast to Bangor, WA.
 Sep 4Seawolf returned to the Mare Island Naval Shipyard, Vallejo, CA.
1974Jan 1Seawolf completed post-conversion testing and evaluation period and conducted her first Pacific Fleet deployment, operating independently for a period of three months. For her performance of duty, she was awarded a second Navy Unit Commendation.
1975Jan 1Seawolf came under the exclusive direction of Submarine Development Group One, and for outstanding performance in 1974–1975, was awarded a Battle Efficiency "E."
1976Jan 1Seawolf received her second consecutive Battle Efficiency "E" and the Engineering "E" for Excellence.
 Jan 1(Cont'd.) During her 2nd PacFlt deployment, she conducted independent submerged operations for 3 months and demonstrated superior endurance by remaining submerged for 87 days, a U.S. Navy record. She received her 3rd Navy Unit Commendation.
1977Jan 1Seawolf received her 3rd Battle Efficiency "E" and her 2nd Engineering "E" for Excellence. During her 3rd PacFlt deployment, she conducted 79 days of submerged operations and received her 4h Navy Unit Commendation and the Navy Expeditionary Medal.
1978Jan 1Seawolf conducted her fourth Pacific Fleet deployment.
1981Aug 1Seawolf deployed on her fifth Pacific Fleet deployment. She returned to homeport in October 1981 and received the Navy Expeditionary Medal.
1983Jan 1Seawolf conducted her 6th PacFlt deployment of 76 days and returned to Mare Island Naval Shipyard in May 1983. She was awarded the Navy Expeditionary Medal, another Battle Efficiency "E," another Engineering "E," a Supply "E," and a Damage Control "DC".
1984Jan 1Seawolf conducted a 93 day deployment to WesPac, returned in July, and continued her high operating tempo with numerous local operations. She was awarded her 3r consecutive Supply "E," a Communications "C," and the Deck Seamanship Award.
1986Apr 1Seawolf conducted her last Western Pacific deployment and returned to Mare Island in June of 1986 to prepare for decommissioning.
1987Mar 30Decommissioned.
 Jul 10Struck from the Naval Register.
1996Oct 1Seawolf began the Navy's Ship-Submarine Recycling Program on 1 October 1996 and completed it on 30 September 1997.