The Grid is an area, triangular in shape, it's borders defined by rows of lights on the ocean floor. The grid streches for approximately 1 mile accross the ocean floor. Within the grid there is a point where the large fin of the spaceship protrudes from the dead coral reef, this is called GROUND ZERO. Also the deephab units 7 and 8 are located within the Grid on either side of the spaceship fin.
