Northrop Grumman Systems Corp., Mission Systems Sector, Linthicum Heights, Maryland, is awarded a $254,415,555 firm-fixed-price modification to previously awarded contract N00024-20-C-5519 to exercise an option for production of Surface Electronic Warfare Improvement Program (SEWIP) Block 3 Hemisphere systems. Work will be performed in Baltimore, Maryland (55%); Tampa, Florida (6%); Andover, Massachusetts (5%); Chelmsford, Massachusetts (4%); Rochester, New York (3%); San Diego, California (3%); Los Angeles, California (2%); Winona, Minnesota (2%); Stafford Springs, Connecticut (2%); Glendale, Arizona (1%); Nashua, New Hampshire (1%); Elk Grove Village, Illinois (1%); White Marsh, Maryland (1%); Tucson, Arizona (1%); Chandler, Arizona (1%); Washington, North Carolina (1%); Woodridge, Illinois (1%); Richardson, Texas (1%); Minneapolis, Minnesota (1%); El Cajon, California (1%); Hiawatha, Iowa (1%); Littleton, Colorado (1%); Glendale, California (1%); and miscellaneous locations – each less than 1% (4%), and is expected to be completed by September 2025. Fiscal 2022 other procurement (Navy) funds in the amount of $152,649,333 (60%); and fiscal 2022 shipbuilding and conversion (Navy) funds in the amount of $101,766,222 (40%) will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting authority.