Ever since the late 19th century, strange flying objects have been seen in the sky all over the world, prompting people to ask: “what is that?” With the dawning of the space age, the question, for many turned to “who is that?”
Prior to the 1950s, many thought that UFOs were high-tech aerial fighters, first from Nazi Germany and then from the Soviet Union. However, no evidence of the unidentified flying objects coming from either country was ever found.
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