These were the first ships in the Japanese navy to be armed with triple torpedo tubes (albeit of 21"). Despite her advanced age, Tenryu was present at the first battle of Savo Island near Guadalcanal, where she played an active role.
Not Pictured: Tatsuta.
| Year Completed | Tenryu: 1919 Tatsuta: 1919 |
| Displacement | 4,350 tons |
| Dimensions | 468'11" x 40'6" x 13'0" |
| Speed | 33 knots |
| Armament |
4 x 5.5"/50 2 x 13mm AA 6 x 21" TT |
| Crew | 367 |
