IIRc he has his own Kashima. Is this another version? From another base?
It wouldn't be the first time multiple copies of a shipgirl have appeared in the Ido-verse. post #2184869
But, given Kashima and Katori's past activities as morality enforcers (post #2888659), there is a good chance this is the same pair.
We have the authority to enter as we please.Ah, wait!Hang on, please don't just barge in!Shit! Hiei, you cannot let them in! You have to hold them off, at all costs!I need to make an internal broadcast, ASAP!SAZANAMI! LOCK THE DOOR!IT'S THE MILITARY POLICE!Ooyodo! It's an emergency situation!Wha!?Y-Yes, sir!It seems they're from the newly-established Naval Secret Police...This is Hiei, at the guard post.
Commander, you have visitors.Yes, yes, who are they?WHAT!?