Perimeter Security Partners LLC,* Brentwood, Tennessee, was awarded an $8,475,984 modification (P00003) to contract W912DY-20-F-0664 to maintain identified physical security equipment. Work will be performed in Fort Rucker, Alabama; Huntsville, Alabama; Augusta, Fort Benning, Fort Gillem, Fort Stewart and Savannah, Georgia; Fort Bragg, North Carolina; Fort Buchanan, Puerto Rico; Columbia, South Carolina; and Kingsport, Tennessee, with an estimated completion date of June 14, 2022. Fiscal 2021 operation and maintenance, Army funds in the amount of $1,738,723 were obligated at the time of the award. U.S. Army Corps of Engineers, Huntsville, Alabama, is the contracting activity.