The geologist's shack.
Lavender wanted the fish to be able to get out of their tanks if they wanted to, so someone from the experimental robotics department found a solution.
Hector Supernova was the first child born in space. He's been coasting off of that fact for the last 37 years.
She had an upsetting realization that all her success in the world of undersea research labs was for nothing. Everyone was going into orbit instead. This aquatic kingdom meant nothing to anyone but her. And fish.
Abandoned landing platform