Residents in the Monument area who heard gunfire and explosion sounds Thursday morning and throughout the rest of the week can rest easy. The noises came from cadet basic training at the U.S. Air Force Academy.Multiple people re ached out to News5 Thursday morning concerned about the noises they heard. One woman said she heard what sounded like 40 loud "booms" in her typically quiet neighborhood.Leaders at the Academy confirmed the sounds were part of training at Jacks Valley. Academy Spokesperson Tony Mayne tells News5 the training has ended.____Watch KOAA News5 on your time, anytime with our free streaming app available for your Roku, FireTV, AppleTV and Android TV. Just search KOAA News5, download and start watching. ...read more read less