Yes, with the advent of sonar, it's use/effectiveness decreased massively. When torpedoes were fired by sight, like a slow ass bullet, this was great. That was the entire reason it was used. Also, with advances in engine tech and scrubbers on stacks, the very things that made blend camo nearly useless in WWI were decreased dramatically.
"There remain four irreducible objections to religious faith: that it wholly misrepresents the origins of man and the cosmos, that because of this original error it manages to combine the maximum servility with the maximum of solipsism, that it is both the result and the cause of dangerous sexual repression, and that it is ultimately grounded on wish-thinking." ~Christopher Hitchens, god is not Great
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PM me your email address to join the Slack chat! I'll give you a taco(or five) if you join! --->There's an app and everything!<---