Because if a surprise war was launched the first salvo would take out more of your ships.
Broadcasting your position in peacetime sounds good until it's not peacetime.
Of course the question is then - is any nation-state suicidal enough to launch a large scale pre-emptive strike on the US Navy.. Terrorists of course are another matter.
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Why do they not transmit location during relatively peaceful times? There is more of a threat from collision then hostile action in these waters.
Because if a surprise war was launched the first salvo would take out more of your ships.
Broadcasting your position in peacetime sounds good until it's not peacetime.
Of course the question is then - is any nation-state suicidal enough to launch a large scale pre-emptive strike on the US Navy.. Terrorists of course are another matter.
What's the point of patrolling if you transmit your location? Imagine how useless local police cars would be if they were equipped with a public GPS.