U.S. Air Force Staff Sgt. Tyrone Powell, 35th Civil Engineering Squadron Explosive Ordnance Disposal journeyman, recaps post-blast training with Office of Special Investigations special agents and Security Forces investigators at Misawa Air Base, Japan, July 8, 2021. The purpose of this training was to prepare for real-world explosive ordnance scenarios to preserve as much evidence as possible. (U.S. Air Force photo by Airman 1st Class Joao Marcus Costa)