Fatal helicopter crash prompts JBLM to complete radar picture with new sensors

The Army is spending $4.6 million to buy a low-altitude aircraft surveillance system that would improve safety in the Joint Base Lewis-McChord training areas where four helicopter pilots were killed in a December 2011 collision. The system, to be built by Saab Defense and Security, would enable Lewis-McChord air traffic controllers to monitor helicopters that fly below 500 feet.

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