A detailed description of the given image is as follows. The image shows a B-17 Flying Fortress, a heavy bomber aircraft that was used by the United States Army Air Forces during World War II. The aircraft is flying over a rough, rocky terrain, and it appears to be under fire, as there are several explosions visible in the background. The B-17 is a large aircraft, with a wingspan of over 100 feet and a length of over 70 feet. It was powered by four 1,200 horsepower engines, and it had a maximum speed of over 300 miles per hour. The B-17 was a very effective bomber, and it played a major role in the Allied victory in World War II.