I have a question. By the way - thanks for great work, I am really enjoying taking a break and go to the bridge to look around during patrol

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It seems that I always have some clouds, even when I go to hist. mission like TDW torp. tutorial and making sure that there is no clouds option is checked. I mean they like passing by I still can see blue sky, but moving clouds cover at least 50% of it and darkish in color. Is this the way it intended to be?