#3: The Surprising Heat Inside Submarines

Submarines aren’t just kept cool by fans—massive air conditioning units are vital for keeping conditions livable, especially in sweltering tropical regions. One Reddit user shared a brutal story of what happens when those systems fail.

PREVNEXT PAGE

Without functioning AC, temperatures inside can spike to over 130°F, turning the sub into a metal oven. Crew members become drenched in sweat, their uniforms soaked through, and dehydration becomes a serious threat. To cope, sailors must add salt to their drinking water to replace what’s lost through constant sweating.

Advertisements

Advertisements