Shinkai Tanker

Shinkai Tanker is the changer and side arm of the core Akuareigers. As its name implies, its initial form resembles a military tank. However, it can change to a sword or gun mode (depending on the situation).

One can change the changer's mode by reinserting their medal. This is also used for Mecha summon (weather it be the Kaijiu or War Machines

Henshin

 * Insert Kaiju Medal
 * "Shinkai Awakening!"
 * Tanker changes to sword mode, sea beast summoned
 * Sea Beast swims through them
 * complete