Quote:
Originally Posted by vash
i was hoping the answer would be Dolphins.
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In a way, it is. The insignia for qualifying on a submarine, both O and E, are called earning your "Dolphins".
I have a lot of experience tracking submarines. That was part of my job as an SH-60B pilot. There are a number of ways to do it (SOSUS, Active and Passive Sonobuoys, Ship based active and passive SONAR, ship towed arrays, Helicopter dipping SONAR, Magnetic anomaly detection, LiDAR, even radar in some scenarios, etc.) but the best is another submarine.
Electric boats are great, extremely quiet, but they are limited in range. In the 80's Russian subs sounded like dump trucks on the 405. Not anymore.
I have a million stories.
We did a "PASSEX" against the Australian electric subs in 1987 headed to Perth. It was a night op.
When an "enemy" sub gets a targeting solution on a ship, they launch a green flare that breaks the surface and explodes like a 4th of July Firework.
There were a lot of green flares that night.
BTW, the "condition" of the water plays a huge role in anti-submarine warfare.