The Defense Department says automatic consideration of future ground radar acquisitions by a high-level joint oversight panel is unnecessary, despite government auditors' suggestions that "potentially duplicative" systems were allowed to proliferate in the services. At the behest of senators, the Government Accountability Office examined the performance requirements of three ground radars: The Army's AN/TPQ-53 Counterfire Target Acquisition System, the Air Force's Three-Dimensional Expeditionary Long-Range Radar (3DELRR) and the Marine Corps' AN/TPS-80 Ground/Air Task Oriented Radar (G/ATOR) in its various iterations...