The U.S. Air Force’s fleet of Northrop Grumman RQ-4B Global Hawks has been busy in recent days, touching down in Japan and participating in NATO exercises over the U.K. for the first time. Read More

The U.S. Air Force’s fleet of Northrop Grumman RQ-4B Global Hawks has been busy in recent days, touching down in Japan and participating in NATO exercises over the U.K. for the first time. Read More