It’s hard enough to sleep just knowing that dozens of nuclear ballistic missile submarines haunt the oceans, each containing the means to rain nuclear annihilation on the world. But what’s it like to sleep aboard these arks of doom? It actually ties into long-term military study, and the results may help us send humans to other planets. Robert Lamb and Joe McCormick explore...  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers