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former_navy

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former_navy
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Often.

I used to run the nuclear power plant on a US Navy submarine. Back around 2006, we were sailing somewhere and Sonar reported that the propulsion plant was much, much louder than normal. A few days later we didn't need Sonar to report it, we could hear it ourselves. The whole rear half of the ship was vibrating. We pulled into our destination port, and the topside watch reported that oil pools were appearing in the water near the rear end of the ship. The ship's Engineering Officer and Engineering Department Master Chief shrugged it off and said there was no need for it to "affect ship's schedule". I was in charge of the engineering library. I had a hunch and I went and read a manual that leadership had probably never heard of. The propeller that drives the ship is enormous. It's held in place with a giant nut, but in between the nut and the propeller is a hydraulic tire, a toroidal balloon filled with hydraulic fluid. Clearly it had ruptured. The manual said the ship was supposed to immediately sail to the nearest port and the ship was not allowed to go back out to sea until the tire was replaced. I showed it to the Engineer. Several officers called me in to explain it to them. And then, nothing. Ship's Schedule was not affected, and we continued on the next several-week trip. Before we got to the next port, we had to limit the ship's top speed to avoid major damage to the entire propulsion plant. We weren't able to conduct the mission we had planned because the ship was too loud. And the multiple times I asked what the hell was going on, management literally just talked over me. When we got to the next port, we had to stay there while the propeller was removed and remachined. Management doesn't give a shit as long as it doesn't affect their next promotion.

Don't even get me started on the nuclear safety problems.