Big Picture: Explosive Ordnance Disposal (E.O.D.) – National Archives and Records Administration – Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. This film examines the dangers and uncertainties involved in the disposal of explosive devices of all kinds by military men. Scenes take the viewer from training in Indianhead, Maryland, where students were thoroughly schooled in explosives–what they were, what they were made of, and how they worked–to on-location ordnance disposal.