Even underground tests executed _with the explicit intention_ of improving PR for nukes polluted groundwater and vented rads to the atmosphere: https://en.wikip

Even underground tests executed _with the explicit intention_ of improving PR for nukes polluted groundwater and vented rads to the atmosphere: https://en.wikipedia.org/wiki/Project_Plowshare https://en.wikipedia.org/wiki/Project_Plowshare