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Johns Hopkins Applied Physics Laboratory is collaborating with the U.S. Navy on the AN/ALQ-249 Next Generation Jammer Mid-Band (NGJ-MB), aimed at disrupting enemy air defense and communications. APL has provided expertise for solid-state amplifiers and phased array antennas since the program's inception in 2001.

The NGJ-MB will replace the legacy ALQ-99 Tactical Jamming System, enhancing jamming capabilities at greater distances. In addition, APL supports other Navy initiatives, including the Autonomy Baseline Library for uncrewed surface vehicles and a hybrid metal 3D printer for the USS Bataan.