On September 22, 1979, a U.S. satellite named Vela 6911 detected a strange flash of light over the South Atlantic Ocean. This event, later called the Vela Incident, drew immediate attention because the double flash was a pattern typically seen during atmospheric nuclear explosions. The detection sparked concern among U.S. officials, including then-President Jimmy Carter, who recorded in his personal diary that there was a possible indication of a nuclear explosion in the area near South Africa. In 1980, a scientific panel led by MIT professor Jack Ruina offered an alternative explanation for the flash. They suggested it was more likely caused by a small meteoroid hitting the satellite. However, this conclusion was met with skepticism from some intelligence officials. Jack Varona, a senior leader at the Defense Intelligence Agency, argued that the U.S. intelligence community had collected data pointing to a different cause—specifically, a nuclear explosion in the ocean. He believed the panel's findings were influenced by political considerations rather than scientific evidence. Former intelligence officials have also weighed in on the incident. Stansfield Turner, who later became the Director of Central Intelligence, described the Vela detection as a "man-made phenomenon," hinting at a nuclear origin. Retired CIA officer Tyler Drumheller claimed that sources at the time indicated that South Africa's apartheid government had conducted a nuclear test in the South Atlantic with help from Israel. These claims, however, were never officially confirmed. Recent scientific studies have re-examined the Vela Incident. In 2017, researchers Christopher Wright and Lars-Erik De Geer argued that the double flash observed by the satellite was consistent with a nuclear explosion. They cited additional evidence, such as the presence of radionuclides (radioactive elements) and hydroacoustic signals, which are typically linked to nuclear detonations. A 2022 study further supported this view by analyzing data from NASA's Nimbus-7 satellite, which detected a disturbance in the ozone layer that could be caused by a blast-generated shock wave. Despite these findings, some original members of the 1980 scientific panel, including Richard Mueller, still believe the chance of a nuclear event was very low. Wright and De Geer, however, have challenged these views, pointing to modern scientific analyses that support the possibility of a nuclear test. The debate over the Vela Incident continues, with some experts suggesting that the test, if it occurred, may have involved a secret collaboration between apartheid-era South Africa and Israel. While the evidence remains inconclusive, recent research and declassified documents have made it increasingly difficult to dismiss the possibility that the South Atlantic Flash was not a natural event.