He simply nods in response to Sakura; the bodies moving shipboard make it obvious enough. This world is too unfamiliar and the powers at play too strange not to have a crew, and ultimately the one he's found hasn't been the worst possible choice. Marvelous at least leaves his crew alone when the running of the ship or its plans isn't threatened, and Itachi seems to like some of the people on board.

Though it's a little hard to tell with Itachi, honestly, but he at least has praise for them.

That train of thought is instantly derailed when Naruto comments on the name of the ship, though, Sasuke's gaze snapping to him with an expression that would have stopped most people in their tracks.

"No." His tone is as final as he can make it -- Seakage? Super Ship? Is Naruto still twelve? -- before he turns his back on the harbour and faces them down, arms crossed.

"But we do need a medic," he says to Sakura, and then grudgingly, without actually bothering to look at Naruto to include him: "And anyone who can fight.

"I have a condition, however."