A week after space-tourist and second-generation astronaut Richard "Lord British" Garriott returns to Earth from the ISS, oxygen tanks on the station are strangely depleted. Astronauts searc... Read allA week after space-tourist and second-generation astronaut Richard "Lord British" Garriott returns to Earth from the ISS, oxygen tanks on the station are strangely depleted. Astronauts search the station to find what is using up the air.A week after space-tourist and second-generation astronaut Richard "Lord British" Garriott returns to Earth from the ISS, oxygen tanks on the station are strangely depleted. Astronauts search the station to find what is using up the air.