You see, in World War I, and to a lesser extent World War II, ships were giving what was called Dazzle Painting which "the intention of dazzle is not to conceal but to make it difficult to estimate a target's range, speed, and heading".
Much like its hard to hide a ship in open space, its hard to hide a ship in open sea, but the dazzle painting made it hard for that era's optics to accurately determine heading.
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By Ian Alexander - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46167419 |
Just a thought.