#37: You Can Taste the Air Quality

Submarine air isn’t always fresh—far from it. Over time, crew members develop an unexpected skill: the ability to taste the quality of the atmosphere. As carbon dioxide accumulates, the air tastes sour and heavy. Though sensors monitor air levels, many submariners detect problems by instinct.

A subtle shift in smell or taste can spark a chain reaction of checks. It’s a form of sensory training no one expects but everyone acquires. Deep beneath the surface, where a single breath reflects your ship’s health, your tongue becomes an unofficial safety tool.

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