Northrop Grumman Systems Corp., Mission Systems Sector, Linthicum Heights, Maryland, was awarded a $244,692,240 firm-fixed-price modification to previously awarded contract N00024-20-C-5519 to exercise an option for production of Surface Electronic Warfare Improvement Program Block 3 electronic attack hemisphere systems and ancillary hardware equipment. Work will be performed in Baltimore, Maryland (52%); Tampa, Florida (8%); Andover, Massachusetts (5%); Chelmsford, Massachusetts (5%); San Diego, California (3%); Saginaw, Michigan (2%); Rolling Meadows, Illinois (2%); Los Angeles, California (2%); Stafford Springs, Connecticut (2%); Woodridge, Illinois (1%); Passaic, New Jersey (1%); Minneapolis, Minnesota (1%); Glendale, Arizona (1%); Elk Grove Village, Illinois (1%); White Marsh, Maryland (1%); Tucson, Arizona (1%); Woburn, Massachusetts (1%); Washington, North Carolina (1%); Richardson, Texas (1%); El Cajon, California (1%); Hiawatha, Iowa (1%); Littleton, California (1%); Glendale, California (1%); Rochester, New York (1%); and miscellaneous locations – each less than 1% (4%), and is expected to be completed by April 2027. Fiscal 2024 shipbuilding and conversion (Navy) funds in the amount of $124,541,031 (51%); and fiscal 2024 other procurement (Navy) funds in the amount of $120,151,209 (49%), will be obligated at time of award and will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., is the contracting activity. (Awarded on June 11, 2024)