Feel free to demonstrate the relevance of the question to the discussion at hand before I bother to answer it.
Remember when the U.S. Government was exploding atomic and nuclear weapons in our back yards, raining cancer causing fallout to everyone down range and east of Nevada and elsewhere?
Ya think they didn’t know the extreme dangers to innocent civilians at the time? Did they tell ya they had no idea?
No, I asked you this question first, which you have evaded.
Did your government they tell ya they had no idea?