Service members from the Army Criminal Investigation Division record and observe a one-pound shot of TNT going off during explosive ordnance training at Lehigh Hanson Quarry on Wednesday, May 18, 2022. The advanced training was handled by the Bureau of Alcohol, Tobacco, Firearms and Explosives, United States Air Force Explosive Ordnance Disposal unit and Indiana State Police. It included a mix of commercial and military-grade explosives to demonstrate the difference to those attending.