Thunderbirds: Ricochet - TB2 Chases KLA

Thunderbird 2 has just received news that the pirate space station 'KLA' is heading to the largest oil refinery in the middle east. Just as they are about to shoot it out of the skies, KLA starts transmitting. Brains & Virgil have to make a tough decision.But if Thunderbird 5 is down and no communications to base. What would they do? Or more the question... What are they prepared to do?