Aerial views of Mitchel Air Force Base in Hempstead Plains of Long Island, New York. Major General Frank Andrews and staff standing around a large plotting board, models of airplanes, guns and boats are on the plotting board. Five PB-2As parked in a row at Mitchell Air Force Base. Crew operating range finder and aircraft sound detector. Soldiers turn searchlight to the right. Fireman opens switch box door on wall and pulling switch, workmen pulling power switch in power station. Views of City of Farmingdale in New York during night. Flares dropping from bomber aircraft, an aircraft caught in search light beam. B-10, the all metal monoplane bomber in flight during night. Crew operating aircraft guns silhouetted by searchlights. Flares descending and explosions in the city.