<ul data-eligibleForWebStory="true">US top general, Gen. Jim Rainey, urges defense companies to collaborate more closely on military tech.Rainey emphasizes the need to stop selling fragmented solutions and focus on integrated approaches.Technologies like microwaves, lasers, and electronic warfare are key in countering threats such as drones and AI.The call to coordinate efforts arises amid the emergence of drones as significant tools in conflict zones.