The U.S. Pacific Air Forces told Newsweek that the RC-135 spy planes were conducting planned, routine operations.

North Korea ... in the available maps of the boundary. However, all the versions we’ve located show the land clearance taking place within the DMZ. An official from South Korea’s Joint Chiefs ...

Based on data captured by the aircraft tracking service Flightradar24, Newsweek's map ... North Korea's military movement over the skies of South Korea by locating and identifying military land ...