Huh? Was Sheenyoh a German girl?

(yes)

Are you adapting to life at the Naval Base quickly?

Then I'd like you to learn from your old friends and senpais from your home country.

She said she was doing all right, but I'm still worried...

It'll be okay, she'll get used to it bit by bit.

Admiral!! I'm baaaaack, yeah!! She uses Ro's verbal tic (desu'tte) at the end of the statement, too.