Here's the science behind how submarines dive and resurface

Awynt on Instagram: "A new Virginia-class nuclear attack submarine, valued at $2.6 billion, was seen gliding beneath the New London Bridge in Connecticut, making its way down the Thames River toward the Atlantic Ocean. These cutting-edge submarines are among the most advanced in the U.S. Navy fleet - designed for stealth, endurance, and multi-mission capabilities, fron inteligence gathering to precision strikes. Powered by a nuclear reactor that never needs refueling, it can operate underwater f