"Well, some can be pretty hard to handle, no matter how you treat them," Mal pointed out, still smiling.

"Why's that? You don't like bein' involved with enforcing laws?" Not that he blamed her at all; he was just trying to make sense of what she was saying. "Oh, yeah, she's an airship, though we take her through space too, if a job calls for it." Though, after thinking about it for awhile, he figured Serenity was more of a hybrid more than anything, combining aspects of both.