Air Force's Predator, Reaper drones pass 4 million flight hours
March 12, 2019 at 12:27 PM EDT
The MQ-1B Predator and MQ-9 Reaper remotely piloted aircraft reached 4 million hours of flight time, surpassing the decades-long records of the RC-135V/W Rivet Joint and U-2 Dragon Lady.
