Lasers that can take down an aircraft or zap a boat in roiling seas are certainly the weapons of the future. But smaller lasers that disrupt rather than destroy could be an even simpler defense system.
Raytheon, which built a laser that cooked a UAV in flight last year, is one of several defense firms working on lasers that take a somewhat more passive approach, such as disabling a missile's guidance system to prevent it from connecting with its target. Raytheon is developing common infrared countermeasures (CIRCM) systems to be installed on Army and Navy helicopters, and large-aircraft infrared countermeasures systems for the Air Force.
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