The Aviation Water Survival Training Center aboard Marine Corps Air Station Miramar, Calif., trains service members to survive when an aircraft goes down in water. U.S. Navy | U.S. Department of Defense (DoD)

Think you’d know how to escape a submerged submarine? At Naval Submarine Base New London, Connecticut, U.S. Navy sailors learn how to do that in places where the weather isn’t exactly ideal. | U.S. Department of Defense (DoD)

272K views · 241 reactions | Complete Novices Try the Navy’s Damage Control Simulator - Sinking Ship Simulator: The Royal Navy's Damage Repair Instructional Unit. At HMS Excellent in Portsmouth sits Hazard, a Royal Navy Damage Repair Instructional Unit (DRIU). Every Navy recruit who's going out to sea will have to go through something like this -- and on a much harder level than we did! But then, they'll have had months of training and teamwork beforehand... | Tom Scott | Facebook