Science Applications International Corp., Reston, Virginia, was awarded a $12,880,718 modification (P00016) to contract W31P4Q-21-F-0057 for engineering and professional services supporting systems-of-systems, battlespace effectiveness models, simulations and analysis. Bids were solicited via the internet with three received. Work locations and funding will be determined with each order, with an estimated completion date of Dec. 23, 2023. U.S. Army Contracting Command, Redstone Arsenal, Alabama, is the contracting activity.