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I had the "pleasure" of doing some work on Russian fishing boats that came over to the US for modern fishing equipment and paint in the late 90's. Horrifying boats*. It was also clear that the priorities for the boats were intelligence gathering, employing lots of people (in shipyard and in operation), and catching fish, roughly in that order. The radio room was bigger than the pilothouse, they had more antennas than a ham radioman who won the lottery, the fish holds were a third the size you'd expect.
The best example of this is the fuel lines from the service tanks to the engines. The service tanks were in the very tip of the bow (where you're not supposed to put fuel because of the risk of spills in a minor collision). The pipe ran from the service tank *through* the potable water tank, and then through the sewage tank. The potable water tank had ocmmon bulkheads with both fuel and sewage tanks, which has all of the contamination risk you'd expect. Once the fuel supply pipe got into the main engine room, they solved all of the nasty fitup problems by using pieces of hose for turns instead of pipe elbows. Still gives me the creeps.
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