Batman on Instagram: "This 27-second reel breaks down the emergency escape method sailors use if a submarine begins to fail underwater. To survive, a sailor connects their suit to the sub's air system, which fills the suit with pressurized air while the escape chamber floods to equalize with the ocean's pressure. Once the hatch opens, the sailor shoots upward at a fast but controlled speed. The built-in pressurized air prevents their lungs from bursting, while the suit's inner lining protects ag

10 classic sailing adventures - Lonely Planet