> To prevent excessive exposure, the flight deck comprised of a radiometer; if the radiation level became too high, pilots would descend below 45,000 feet. I d

> To prevent excessive exposure, the flight deck comprised of a radiometer; if the radiation level became too high, pilots would descend below 45,000 feet. I don't think that's the proper wording; I'm pretty sure there were other things on the flight deck besides a radiometer.