The Most-Advanced U.S. Manned Spy Plane
Before advanced satellites and drones started collecting military intelligence, the U.S. relied on high-flying supersonic aircraft that could quickly penetrate the airspace of adversary countries, take pictures and exit before being caught. The last of those planes, retired in 1998, still holds several world records. But now, spy planes can only be found in museums. VOA’s George Putic reports.