United States Air Force test explosives in Maryland

Title card: "World News" superimposed over drawing of Earth and spotlight / title: "Air Force Tests Its Own Planes Under Fire" superimposed over B-17 airplane / side view B-17 airplane suspended on wires between two towers / United States Air Force airman squats on ground, hands on charge / front view B-17 airplane suspended on wires between two towers / CU hand detonates charge / explosion at tail of B-17 airplane, tank near airplane / various shots damage to vertical and horizontal stabilizers of plane / various shots armored fuel tank / armored fuel tank / hand loading incendiary ammunition into weapon / ammunition fires, explosion from the fuel tank, fire engulfs surrounding area including front of nearby plane / Air Force fire truck drives to fire / various shots fire fighters hosing the flames with water / Note: exact day not known