SSR, I think you mean the Hosho: Japanese aircraft carrier Hōshō - Wikipedia. Interesting that she survived WWII, and afterwards brought back Japanese personnel from overseas.
In play:
There is, as we speak, an active Doper thread on how the pivotal 1942 Battle of Midway might have turned out differently: WWII: Battle of Midway...why couldn't the Japanese have pressed on and captured the island?