United States, July 30 -- Northrop Grumman Aerospace Systems, San Diego, California, has been awarded a $17,747,040 cost-plus-fixed-fee, indefinite-delivery requirements contract modification (P00018) to previously awarded contract FA8539-21-D-0001 for a form, fit, function engineering change proposal of the digital receiver module of the RQ-4B Global Hawk Unmanned Air-Vehicle system.The modification brings the total cumulative face value of the contract to $618,228,400. Work will be performed at San Diego, California; El Segundo, California; and Forest, Mississippi, and is expected to be completed by Nov. 30, 2028.Fiscal 2026 contract depot maintenance direct cite funds in the amount of $17,747,040 are being obligated at the time of award....