The Vela Incident (sometimes referred to as the South Atlantic Flash) was an unidentified "double flash" of light that was detected by an American Vela Hotel satellite on September 22, 1979. Read more
Many U.S. government officials and scientists disagreed with the findings of a presidential panel that the double flash signal picked up by a U.S. nuclear detonation detection satellite (Vela 6911) in late September 1979 was possibly not a nuclear test, according to a number of studies posted today by the National Security Archive. The signal appeared to come from a 3,000 mile area that included the South Atlantic, Indian Ocean, tip of Africa, and part of Antarctica. A presidential panel concluded in May 1980 that the signal was more likely an artifact of a meteoroid hitting the satellite and sunlight reflecting off particles ejected as a result of the collision. Read more