What are some ways to tell the difference between a spy trawler and a regular fishing trawler? - Quora

Is there a boat that can divide into more smaller boats and recombine to form large boats (modular boat)? - Quora

Why are submarines not attached to ropes so they don't get lost in the depth of the sea? - Quora

Is there a boat that can divide into more smaller boats and recombine to form large boats (modular boat)? - Quora

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What are the downsides of owning a trawler compared to other seaworthy vessels? - Quora

What are the downsides of owning a trawler compared to other seaworthy vessels? - Quora

How do US Navy carriers handle pirate threats when sailing without escort ships? Is their detection method based on radar and sonar, or is it a matter of luck? - Quora

Why is it difficult to determine exactly who was on board the fishing trawler that sank in the Mediterranean? - Quora

Do US military submarines ever get caught in fishing nets? - Quora