Yūshio-class submarine
The Yūshio class was a Japanese diesel-electric submarine class operated by the JMSDF. It was a second generation submarine, a development of the, incorporating a teardrop hull, with a resulting increase in underwater performance on the Uzushio class. Ten were built under the fourth defense plan in 1975 fiscal year. All vessels were retired with the decommissioning of on March 7, 2008, and the completion of the. JDS Akishio is on display at the JMSDF Kure Museum.
Boats
| Project no. | Building no. | Pennant no. | Name | Laid down | Launched | Commissioned | Fate |
| S122 | 8088 | SS-573/ ATSS-8006 | JDS Yūshio | 3 December 1976 | 29 March 1979 | 26 February 1980 | Converted to auxiliary training submarine on 1 August 1996, decommissioned 11 March 1999, scrapped |
| S122 | 8089 | SS-574/ ATSS-8007 | JDS Mochishio | 9 May 1978 | 12 March 1980 | 5 March 1981 | Converted to auxiliary training submarine on 1 August 1997, decommissioned 10 March 2000, scrapped |
| S122 | 8090 | SS-575/ ATSS-8008/ TSS-3602 | JDS Setoshio | 17 April 1979 | 10 February 1981 | 17 March 1982 | Converted to auxiliary training submarine on 10 March 1999, re-converted to training submarine on 9 March 2000, decommissioned 30 March 2001, scrapped |
| S122 | 8091 | SS-576/ TSS-3603 | JDS Okishio | 17 April 1980 | 5 March 1982 | 1 March 1983 | Converted to training submarine on 29 March 2001, decommissioned 4 March 2003, scrapped |
| S123 | 8092 | SS-577 | JDS Nadashio | 16 April 1981 | 27 January 1983 | 6 March 1984 | Decommissioned 1 June 2001, scrapped |
| S123 | 8093 | SS-578/ TSS-3604 | Japanese submarine Hamashio | 8 April 1982 | 1 February 1984 | 5 March 1985 | Converted to training submarine on 9 March 2000, decommissioned 9 March 2006, scrapped |
| S123 | 8094 | SS-579 | JDS Akishio | 15 April 1983 | 21 January 1985 | 5 March 1986 | Decommissioned 3 March 2004, displayed at JMSDF Kure Museum from 5 April 2007 |
| S123 | 8095 | SS-580 | JDS Takeshio | 3 April 1984 | 9 February 1986 | 3 March 1987 | Decommissioned 9 March 2005, scrapped |
| S123 | 8096 | SS-581/ TSS-3605 | JDS Yukishio | 11 April 1985 | 23 January 1987 | 11 March 1988 | Converted to training submarine on 9 March 2006, decommissioned 7 March 2008, scrapped |
| S123 | 8097 | SS-582 | JDS Sachishio | 11 April 1986 | 17 February 1988 | 24 March 1989 | Decommissioned 14 April 2006, scrapped |