When Legendary Discovery moves the fleet to distance 7, what happens to ships on the main board?

Question

Accepted Answer

Ships on the main board are removed, except Cylon ships placed by a destination card and centurions left on the boarding party track, because the New Caprica phase begins.

Battlestar Galactica: The Board Game

When Legendary Discovery moves the fleet to distance 7, what happens to ships on the main board?