American Vinyl US Navy Rank Sonar Technician First Class Insignia Sticker (SSI Logo Naval tech arm)

[Dolphins whistling] [Whale song] We’re pretty much the eyes and ears of the boat. I’m passively listening to what’s out in the water. There’s STGs which are on surface ships and STSs are on submarines. We detect, track and classify contacts. It might be the most important way of tracking. Radar can’t go under the water. So if there’s submarines out there, then sonar’s going to pick it up first. And with passive, our range is immense. This contact came in. The bright lines will tell me if there’s sound and I can move my cursor over the top of it and if I listen closely… [Sonar sounds] If it’s a ship, I’m going to hear, like, propellers, or maybe engine noise depending on the kind of ship it is. Sometimes, if I look down this bearing here, I might hear biologics, which is like, whales or dolphins. [Dolphins whistling and whales moaning] But, if it’s a submarine, it’s going to be a lot qu