'Skyhook' high-altitude weather balloons, such as these used by the U.S.Navy, were liable to be perceived as UFOs by witnesses unfamiliar with them Date: 1950
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Pioneering Moment in Aviation History: Early Balloon Launch Experiment by Mary Evans Picture Library/Pantheon is available for licensing today.
