Adam said "Not from any base or military contact, but am told that B52 seen in the Southwest headed (back?) toward Minot direction. Circumstantial stuff and I know base contact told me it shouldn’t be them based on distance away that training is today, but what we’ve seen in post above is still most plausible explanation I’ve seen so far. "
amazing how far sound will actually travel. The base contact might not think the sound and rumbling will travel to Brandon but it can.