Air Force officials are still nailing down the specifics of a heavy maintenance plan for Northrop Grumman's RQ-4, and will bring a third aircraft to Robins Air Force Base, GA, within the next few months. The initial RQ-4 arrived at the Warner Robins Air Logistics Complex last May, marking the first time an RPA flew to one of the service's ALCs. Bringing Global Hawks in for painting is a step toward setting up a depot capability, which requires more work...