 Nyorai kupfuurira kweiyi ndima - Nokutanga kwekurwa muKoreamuna 1950, kudikanwa kweNavy kwezvikepe zvokurwa kwakawedzerazve. J. Douglas Blackwood, akaiswazve basa musi wa5 Kukadzi 1951, Lieutenant Commander J. R. McKee ari pasi pehutungamiriri. Yakanga yakavakirwa paNorfolk, ngarava yacho yaichinjana pakati pebasa ikoko neFleet Sonar School paKey West, Florida. Akaitawo basa rokudzidzisa varwi, achienda kuCaribbean neBrazil muzhizha ra1953. Akaramba ari pabasa iri rinokosha rokudzidzisa, kwete kungozvichengeta pachake pakugadzirira kwakanyanya asiwo kupa rubatsiro mukugadzirwa kwemaitiro matsva ekurwisa-submarine, kusvikira asvika kuPhiladelphia musi wa15 November 1957. Ikoko akatanga basa rake idzva seShip Training Reserve. J. Douglas Blackwood yakabviswa basa musi wa1 Nyamavhuvhu 1958, ndokuiswa mubasa. Kwemakore matatu akatevera, akabatira sechikepe chokurovedza chevarwi vehondo munharaunda yePhiladelphia. 