On Dec. 28, 2019, a fire gutted this Strategic Air Command-era hangar on Minot Air Force Base, N.D. Office of Special Investigations Detachment 813 and 2nd Field Investigations Squadron teamed with the Bureau of Alcohol, Tobacco, Firearms and Explosives to conduct the subsequent investigation to determine the origin and cause of the blaze resulting in a $7 million loss to the Air Force. (U.S. Air Force courtesy photo)