 and from the William T. Grant Foundation, supporting research to improve the lives of young people, at wtgrantfdn.org. Good morning, I'm Jonathan Fruin at the BBC. The head of Japan's navy is stepping down after more than 200 defence personnel were punished for a series of security breaches and fraud. The BBC's Mickey Bristow has more. The 200 sailors caught up in the investigation faced punishments that ranged from dismissal to reprimand.