: U - bo ats ▁s unk ▁by ▁depth ▁charges ▁Category : U - bo ats ▁s unk ▁by ▁French ▁aircraft ▁Category : World ▁War ▁II ▁ship w re cks ▁in ▁the ▁Atlantic ▁Ocean ▁Category : U - bo ats ▁s unk ▁in ▁ 1 9 4 3 ▁Category : Sh ips ▁lost ▁with ▁all ▁hands ▁Category : Mar itime ▁inc idents ▁in ▁June ▁ 1 9 4 3 <0x0A> </s> ▁was ▁a ▁but ter fly ▁sw immer ▁from ▁Japan . ▁He ▁won ▁the ▁silver ▁medal ▁in ▁the ▁men ' s ▁ 2 0 0 ▁m ▁but ter fly ▁at ▁the ▁ 1 9 5 6 ▁Summer ▁Olympics ▁in ▁Melbourne , ▁Australia . ▁In ▁the ▁late ▁ 1 9 5 0 s , ▁he ▁broke ▁the ▁world ▁record ▁in ▁the ▁men ' s ▁ 1 0 0 m ▁but ter fly ▁several ▁times . ▁ ▁References ▁▁ ▁database O lymp ics ▁ ▁Category : 1 9 3 5 ▁birth s ▁Category : 2 0 0 9 ▁death s ▁Category : World ▁record ▁set ters ▁in ▁sw imming ▁Category : J apan ese ▁Olympic ▁medal ist ▁stub s ▁Category : J apan ese ▁male ▁sw imm ers ▁Category : J apan ese ▁sw imming ▁bi ography ▁stub s ▁Category : O lymp ic ▁silver ▁medal ists ▁for ▁Japan ▁Category : O lymp ic ▁sw imm ers ▁of ▁Japan ▁Category : Sw imm ers ▁at ▁the ▁ 1 9 5 6 ▁Summer ▁Olympics ▁Category : As ian ▁Games ▁medal ists ▁in ▁sw imming ▁Category :