Invariant Corp.,* Huntsville, Alabama (M67854-24-D-0056); and Anduril Federal, a Division of Anduril Industries Inc., Costa Mesa, California (M67854-24-D-0057), are awarded a combined $400,000,000 firm-fixed-price, cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract for the integration and delivery of a Counter-Unmanned Aircraft System Engagement System and associated hardware, software, and services. Each awardee will be awarded its first order for First Article Test units and Program Management Support within one week of contract award. Work will be performed in Huntsville, Alabama; and Costa Mesa, California, and is expected to be completed by October 2031. Fiscal 2024 research, development, test and evaluation (Marine Corps) funds in the amount of $15,459,308 will be obligated within one week of contract award and will expire at the end of the current fiscal year. All other funding will be made available at the delivery order level as contracting actions occur. The maximum dollar value, including the base period with four additional ordering periods, is $200,000,000 per contract. This contract was competitively procured via the PIEE Solicitation Module with proposals from four offerors received. Marine Corps Systems Command, Quantico, Virginia, is the contracting activity.