... You'd think the higher ups would make damn sure that reliable spare AC units are already supplied to the naval bases from which the ones upon whose shoulders the fate of the world hangs by the time summer comes along.
you over estimate armed forces management, if not for the arsenal, that thing aint going to be fixed for months
That would've made sense if she was a Japanese shipgirl, since both communal bathing and full nudity during said activity is quite normal in Japan's culture, unlike in the USA and most if not all of Europe.
I think it depends, she should have studied the culture before coming to the base including all the reputation natsuki's base have. Combined with her personality and what she experienced so far since she posted there, it seems to be within her character.