たいげい型潜水艦二番艦「はくげい」進水おめでとうございます! はくげい(白鯨)は、白いマッコウクジラを意味するそうです。ええ名じゃあ🐋

Congratulations on the launching of the second Taigei class submarine, "Hakugei"! Hakugei seems to refer to a white sperm whale. It's a great name🐋