Crew? So, sailor, perhaps. It didn't matter; he could understand the sentiment. The people who served beside you, they became a sort of family.
"...err, yes. Of course the United States is--" No. However much Watson felt that it went without saying, he had more manners than that. He cut himself off and started again. "I'm British, personally, but I've met Americans. Why? Are we not -- is this not the United States? I just assumed, the television programs -- and the nurses' accents."