Plus Japan has at least 6 Guided missile destroyers with the Mark 41 Vertical Launching System, capable of launching 96 Tomahawk missiles each!!
https://en.wikipedia.org/wiki/List_of_active_Japan_Maritime_Self-Defense_Force_ships
Japan has 6 ships in two variants of the Arleigh Burke class. While they have 96 VLS tubes, Japan has no Tomahawk missiles.