YOU SAID:

But they're being decimated by enemy ships and submarines.

INTO JAPANESE

しかし、彼らは敵の船や潜水艦によって壊滅させられています。

BACK INTO ENGLISH

However, they are decimated by enemy ships and submarines.

INTO JAPANESE

しかし、敵の船や潜水艦によって破壊されてしまいます。

BACK INTO ENGLISH

However, it is destroyed by enemy ships and submarines.

INTO JAPANESE

しかし、敵の艦船や潜水艦によって破壊されてしまいます。

BACK INTO ENGLISH

However, it is destroyed by enemy ships and submarines.