A pioneering American aviator, Cochran was the first woman to break the sound barrier and, in 1961, to fly at twice that speed. She was also the first woman to fly in the Bendix transcontinental race, which she won in 1938, a few years after her initial attempt. During WWII, she trained female transport pilots in the British and US Air Force auxiliaries and became the first woman to pilot a bomber across the Atlantic. A successful entrepreneur, Cochran learned to fly to promote her line of what? Discuss