was a career naval officer in the Imperial Japanese Navy, and a pioneer submarine commander, known primarily as the commanding officer during the sinking of Submarine No.6.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/s5zxUDT3N0N6zzXkFxt2mA== | 5.88129e-14 |
| dbr:Tsutomu_Sakuma | 5.88129e-14 |
| dbkwik:resource/qgIISR7nb9horBzlRlp_9w== | 5.88129e-14 |
| dbr:Tsutomu_Matsuda | 5.88129e-14 |
| dbr:Tsutomu_Irie | 5.88129e-14 |
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