The Army is exploring the potential of linking a radar designed to warn friendly forces of incoming indirect fire with sensors built to track aircraft, ballistic and cruise missiles -- as part of an effort to provide as comprehensive as possible a picture of air threats to ground forces, according to a senior service official. Specifically, the service is working on integrating the AN/TPQ-53 Counterfire Target Acquisition Radar with larger efforts to identify, track and defeat all airborne adversary activity...