A lot of interesting scenes are showing on this footage: AVs, B-17s flying in formation over enemy terrain (numerous shots). Ints, B-17 in flight. Crewmen at their stations. AV, B-17s leaving vapor trails in the sky. AVs, flak bursts outside bomber. CU, airmen in helmet and oxygen mask. AVs, terrain. AVs, rain of flak seen thru bomber window. B-17 with engine smoking. Flak bursts. Bombardier at bombsight. Bombs dropping from B-17s and hitting the ground. Bombardier signals "OK". Smoking target area. Machine guns on B-17 firing. B-17 smoking. Machine gunner firing. B-17 going into a tailspin. B-17 trailing smoke amid flak bursts. At airfield in England. Ground crewmen waiting for return of the aircraft after their mission. Planes fly over airfield. Men in tower look thru binoculars. B-17 breaks from formation and lands. Red Cross ambulance races across strip.