The Pentagon's Defense Innovation Unit (DIU) has chosen five companies as winners of the Drone Dominance Program's Lethality Prize. Northrop Grumman [NOC] was the only traditional defense company picked. The others are Austin, Texas-based Bravo Ordnance, Israel's Kela Technologies, North Carolina's Kraken Kinetics, and Colorado's Mountain Horse Solutions. The challenge "addresses the critical need for cost-effective, mass-producible, and easily integrated lethal payloads" for Group 1 drones, those having a maximum takeoff weight of up to 20 pounds, DIU said. The…