I have been taught the proper Japanese way... of salutingDon't you think you should stop doing 'this'?Yuu, since you're a part of the Japanese Imperial Navy now,Who the hell taught you that nonsensical salute?Yuu is striking a jingi-kiri, aka. "O-hikae-nasutte" pose.
It's an old formal greeting between yakuza/gamblers in jidaigeki and yakuza films.
When in Rome,...You're right.