exergy of Japan Maritime Self Defense Force fielded the fifth ship dragon class submarines "dragon", is well known, the Japanese domestic and military equipment there has always been a long research and development cycle, product price expensive problems, the government of Japan Shinzo Abe will blame it on weapons can only be a small amount of production, self-produced their own use, not through the export profit to diluted R & D and production cost. In April last year, the Andouble administration will be the original weapons exports three principles of arms exports to the transfer of defense equipment...