Aberdeen, S.D. (HubCityRadio.com) – The Army National Guard will be doing training this coming Friday (5th), Saturday (6th), and Sunday (7th) at the Brown County Fairgrounds. This is important for the public to know because there will be artillery going off. Please do not call the Sheriff’s Office if you hear these loud booms. This is a scheduled training. The artillery will be going off anytime from 8:00 AM until 7:00 PM.