Drones are great in permissive environments, but not ready for prime time. Plus they have an astronomical mishap (crash) rate. In Manned airplanes, the pilot ca

Drones are great in permissive environments, but not ready for prime time. Plus they have an astronomical mishap (crash) rate. In Manned airplanes, the pilot can troubleshoot. Also, air to air combat (dogfighting) and aerial tanking can't be done by drones...yet!