Northrop Grumman Systems Corp., Rolling Meadows, Illinois, was awarded a $106,555,732 modification (P00001) to contract W58RGZ-23-D-0058 for production, engineering, and technical and logistic support services for the AN/APR-39 Radar Signal Detecting Set Program. Work locations and funding will be determined with each order, with an estimated completion date of Aug. 31, 2028. U.S. Army Contracting Command, Redstone Arsenal, Alabama, is the contracting activity.