Add Yahoo as a preferred source to see more of our stories on Google. NASHVILLE, Tenn. (WKRN) — Submarines are a nuclear weapon used in the United States Navy, with sailors aboard, loading torpedoes.

NASHVILLE, Tenn. (WKRN) — Submarines are a nuclear weapon used in the United States Navy, with sailors aboard, loading torpedoes. This job is hard to fathom, with usually 150 sailors in tight quarters ...