The three Chikuma-class cruisers were protected cruisers operated by the Imperial Japanese Navy. They participated in numerous actions during World War I.
Chikuma during commissioning, 1912
The two Tenryū-class cruisers were the first light cruisers operated by the Imperial Japanese Navy. They participated in numerous actions during World War II.
Tenryū in 1921
Office of Naval Intelligence Image of the Tenryū class