where she arrived on 15 December 1954. 1955–1959 On 26 May 1955, Bugara entered the Pearl Harbor Naval Shipyard for her sixth regular overhaul. The shipyard made extensive changes to provide improved habitability for the crew. Following the overhaul, her home port changed to San Diego on 1 August 1955, and she reported for duty there as a unit of Submarine Squadron 3. Throughout 1956, she rendered services in the San Diego area and participated in several special fleet exercises along the United States West Coast. Bugara departed San Diego on 1 February 1957 for her sixth cruise to the western Pacific and took part in various exercises with the United States Seventh Fleet before returning to San Diego. She moved to San Francisco and began her seventh overhaul there. It lasted from 5 September 1957 to 19 March 1958. Upon its completion, she returned to San Diego and resumed local operations. In August 1958 she made another cruise to the Puget Sound area to operate in support of Naval Torpedo Station Keyport. Washington, and spend a weekend in Seattle during the local Seafair celebration. On 7 January 1959, Bugara departed San Diego for her seventh cruise to the Western Pacific. During this six-month deployment, she visited several ports, including Buckner Bay and Naha on Okinawa; Subic Bay and Manila on Luzon in the Philippines; Hong Kong; and Yokosuka, Japan. Upon completion of the deployment, Bugara returned to San Diego on 2 July 1959. From 14 to 16 August 1959, she visited Long Beach, California, for submarine U.S. Naval Reserve submarine training cruises, then called at San Francisco from 24 to 25 October 1959. 1960–1964 On 11 April 1960, Bugara proceeded from San Diego to Puget Sound in Washington for a two-month deployment and operated with U.S. Navy units from Naval Air Station Whidbey Island on Whidbey Island, United States Coast Guard forces, and the Canadian Armed Forces. She also provided training services to U.S. Naval Reserve submarine units from Portland, Oregon, and Tacoma and Seattle, Washington, and she made port visits at Seattle, Tacoma, and Everett, Washington, and Victoria and Vancouver, British Columbia, Canada. On 25 May 1960, she departed Puget Sound en route San Francisco, where she made a two-day visit. She returned to San Diego on 12 June 1960. From San Diego, Bugara resumed local operations. During most of July 1960, she participated in Exercise Meadowlark and