In Search of Dr. Riptide

You are Nick Nautilus, Special Naval Agent (SNAT) 1138! SNAT 1138 Mission Summary: You have been called into action to seek and destroy the undersea laboratory of Dr. Tiberius Riptide, a mad scientific outcast. You have been ordered to use any means necessary to put Dr. Riptide and his secret lab out of comission... for good! A JASON submersible will be issued to aid your search. The JASON's small, manageble size will make it an invaluable asset in your quest to bring Riptide to justice!