Fort Bliss and Yuma air station among five installations testing energy weapons as cartel surveillance drones multiply....
Military deploys machine-learning systems to track and destroy cheap enemy drones overwhelming conventional defenses....
The withdrawal from Germany accelerates as Pentagon shifts focus from Europe to China threat in the Pacific....
Air Force clears critical milestone for re-powering its 76-aircraft fleet with modern engines that extend service through 2050....
NATO scrambles for affordable defenses as adversaries flood battlefields with drones costing as little as $500 each....