3 ms·
In the US Navy, because 5 sounds like fire, it's skipped when doing a countdown over a ship's PA system (called the 1MC). Countdowns are done for switching time
by notadev 6y ago
In the US Navy, because 5 sounds like fire, it's skipped when doing a countdown over a ship's PA system (called the 1MC). Countdowns are done for switching timezones/synchronizing watches, etc.