NASA Spy Drone Catches Tropical Storm Turning Into A Hurricane

Global Hawks were built for the still skies above wars. The surveillance drones, America's largest, fly in the calmer altitudes of around 60,000 feet above the ground, where they can wait for over a day, cameras pointed down, watching. The same characteristics that make a Global Hawk a useful tool of war against insurgents also lend its power as a storm watcher. NASA has a Global Hawk, painted bright white and not Air Force gray — and last week it flew over a tropical storm Gaston, determi