The Unknown ship turns its primary BL 12 inch cannons towards the ship, and identifies itself as the HMS Thunderchild, and demands the ship identify itself or it will be fired upon. The Thunderchild also explains why they are being cautious, as they just got teleported to an unknown place after almost being sunk by 3 martian fighting Machines.
CK0001_RP for the ship that is not the thunderchild
