In theory, you can place them in the open, but you need to simply think about the location. What if someone placed a base right behind, say, Pittsburgh? If you are careful to supply it and nobody notices you, then nobody would ever find it, as long as you keep it neutral.
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PSA: If you have been having stutter/FPS lag on Disco where it does not run as smoothly as other games, please look at the fix here: https://discoverygc.com/forums/showthrea...pid2306502
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