In the episode Danger At Ocean Deep All radio transmissions are blacked out, leaving International Rescue blind and deaf. Alan takes Brains in Thunderbird 3 to join John on Thunderbird 5 to find the fault. Alan is left on satellite duty, so John goes off on the mission with Virgil in Thunderbird 2, when Ocean Pioneer II gets into trouble. DAOD231.png|John reports in DAOD232.png| DAOD302.png|Alan and Brains arrive on TB5 DAOD303.png| DAOD305.png|Alan left on duty