Sweden and the United States flight-tested early warning from a drone: 's radar, integrated on a , detected, tracked and classified air targets in a flight over southern California, announced 28 October. The test is part of an evaluation program running since May; the goal is long-endurance air surveillance without a crewed aircraft.
Source: hartpunkt.de
Limits
One flight in an evaluation program running since May; an operational early-warning drone is the goal, not the result.