The High-flying Keyhole-7 spacecraft provided the U.S. intelligence community this picture of Beijing, China, (left) taken on May 27, 1967, and Hanoi, Vietnam on June 11, 1967. CREDIT: USGS
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The High-flying Keyhole-7 spacecraft provided the U.S. intelligence community this picture of Beijing, China, (left) taken on May 27, 1967, and Hanoi, Vietnam on June 11, 1967. CREDIT: USGS |
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