Northrop Grumman Systems Corp., Mission Systems Sector, Linthicum Heights, Maryland, is awarded a $74,829,628 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 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 October 2023.  Fiscal 2021 other procurement (Navy) funds in the amount of $74,829,628 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 activity.