rescue operations in the Vietnam combat zone during August and September. She made two amphibious landings on the coast of South Vietnam during November and December as part of Operation Dagger Thrust. During January Perch landed UDT personnel for beach survey work in South Vietnam as part of Operation Double Eagle. She then provided services at Legaspi, Philippines to train Filipino and American UDT personnel. Between local training operations in the Subic Bay area, Perch worked with Chinese Special Forces at Kaohsiung, Taiwan, and with Army Special Forces at Keelung, Taiwan. In July Perch participated in Operation Deckhouse II on the coast of South Vietnam. Again in August, Perch conducted several independent beach surveys with UDT personnel along the coast of South Vietnam. For Operation Deckhouse IV in September Perch landed UDT personnel on five successive nights for pre-invasion beach reconnaissance. On 7 October 1966, Perch headed for Pearl Harbor via Hong Kong, Palau Islands, Guam, and Midway Island. She operated in Hawaiian waters until 1967 when she became Naval Reserve Training submarine at San Diego. On 22 August 1968 Perchs classification was changed from APSS–313 to Submarine Transport LPSS–313. She was designated an Unclassified Miscellaneous Submarine IXSS-313''' on 30 June 1971. Disposal ..Perch was decommissioned and struck from the Naval Register on 1 December 1971 and was sold for scrapping on 15 January 1973. Awards Asiatic-Pacific Campaign Medal with four battle stars World War II Victory Medal National Defense Service Medal with star Korean Service Medal with one battle star Vietnam Service Medal United Nations Service Medal Republic of Vietnam Campaign Medal References External links Balao-class submarines World War II submarines of the United States Cold War submarines of the United States Korean War submarines of the United States Vietnam War submarines of the United States Ships built in Groton, Connecticut 1943 ships