I haven't had to work with vessels that could go past the Earth's atmosphere... [ Though the Koubu have the potential to do so, but it was thus far untapped. Now off the top of her head to answer the Captain's question, she takes to doodling in the notebook that she carries around with her -- ]
Given there would have been studies with regards to the environment we'd be moving in -- this planet's ocean for one, and its surface -- a vessel that can withstand the water's pressure and propel us to the surface.
An investment can be made for one major craft -- [ Holds up a quick doodle of something that resembles a submarine... that looks like a robotic dolphin. ]
-- if not two different crafts: one to get out of the water, and another that would allow us to explore the surface. [ Have a drawing of a craft that looks like a giant metallic angler fish that releases a smaller angler fish. With frog legs. ]