Northrop Grumman said in a release July 3 it successfully demonstrated electronic protection capabilities of the AN/APG-81 advanced electronically scanned array radar system during the recent Northern Edge joint military exercise. The radar, which the company is building for the F-35 stealth fighter, was on board a company testbed aircraft during a complex airborne electronic warfare drill and countered advanced electronic attacks intended to degrade, neutralize, or destroy its capability, according to the company. “This event represents a major milestone in electronic protection testing for the AN/APG-81 in an operationally representative environment.” said Teri Marconi, Northrop’s vice president of Combat Avionics. The APG-81 is currently undergoing flight testing aboard Lockheed Martin’s F-35 avionics testbed aircraft, the CATBird, and is being installed in production F-35s on Lockheed’s aircraft assembly line in Fort Worth, Tex.
The use of a military counter-drone laser on the southwest border this week—which prompted the Federal Aviation Administration to abruptly close the airspace over El Paso, Texas—will be a “case study” on the complex web of authorities needed to employ such weapons near civilian areas and the consequences of agencies…

