" The CIA resorted to sending high-altitude U-2 spy planes to photograph the area. It was on the second of these missions, in May 1960, that Francis Gary Powers’s aircraft was shot down by a Soviet SA-2 surface-to-air missile, in what became one of the defining events of the Cold War. Although "

― Adam Higginbotham , Midnight in Chernobyl: The Untold Story of the World's Greatest Nuclear Disaster