B-17s and Ansons make mock attack on Camp Borden

Allied aircraft practice aerial bombing in Canada during World War II. US Army Air Corps B-17 Flying Fortresses in flight as they bombard the ground and water targets during a mock run. Royal Canadian Air Force NA-64 Yale trainers scramble to intercept a formation of Avro Ansons making a mock attack on Camp Borden. The close-up shots show pilots getting into Northrop A-17A Nomad attack bombers. The Yales fly in formation and practice mock dogfighting.