Submersible Base Abyss
From Star Trek : Freedom's Wiki
Submersible Base Abyss is a training and facilitation base for the Federation Naval Patrol on the planet Pacific. The base sits on the edge of the Abyss Trench which is 14.990 Kilometres (9 miles) of shear drop strait down. It has been designed to train graduates on deep submersible handling as well as being a repair and testing facility for the planets submersibles. The Submersible Base Abyss has close links with the different submersible research institutes on Pacifica which one is Pacifica Submersible Research Institute.