U.S. Air Force Master Sgt. David Dickie, 35th Civil Engineer Squadron Explosive Ordnance Disposal (EOD) logistics section chief shows the result of a C-4 explosion at Misawa Air Base, Japan, July 8, 2021. The EOD team used a quarter of a block of C-4 to simulate post-blast scenario for the Office of Special Investigations to collect evidence from. (U.S. Air Force photo by Airman 1st Class Joao Marcus Costa)