Gomez Research Associates Inc.,* Huntsville, Alabama, is awarded a $9,398,061 cost-plus-fixed-fee modification to previously awarded contract N00174-19-C0021 to exercise Option Year Two for continued support for counter-improvised explosive devices and unmanned aerial system technology. Work will be performed in Huntsville, Alabama (60%); Sofia, Bulgaria (20%); Belgrade, Serbia (15%); and Kiev, Ukraine (5%), and will be complete in September 2022, and continue through September 2024 if all options are exercised. Fiscal 2021 operation and maintenance (Army) funding in the amount of $7,100,000 will be obligated at time of award and will expire at the end of the current fiscal year. The Naval Surface Warfare Center Indian Head Division, Indian Head, Maryland, is the contracting activity.