R Cubed Engineering LLC,* Palmetto, Florida, is awarded a $12,741,301 cost-plus-fixed-fee order (N6833524F0139) against a previously issued basic ordering agreement (N6833522G0041). This order provides design, development, test, certification, and delivery of 20 civil/Mark XIIB Identification Friend of Foe (IFF) transponder systems, labeled CXP 2.0, including associated test reports, incorporating both hardware and software components to serve as a seamless drop-in replacement within the existing Army aviation fleet in support of Small Business Innovation Research Phase III effort for Topic N142-102 entitled “Micro Identification Friend of Foe (IFF)”. The primary objective of this project is to meet the AH-64E Apache helicopter threshold performance requirements and meet enduring fleet sustainment requirements due to AN/APX-123A obsolescence. Work will be performed in Palmetto, Florida (40%); Bingen, Washington (40%); and Huntsville, Alabama (20%), and is expected to be completed in September 2025. Fiscal 2024 research, development, test, and evaluation (Defense Wide) funds in the amount of $500,000; and Special Defense Acquisition Funding (Army) in the amount of $4,860,000, will be obligated at the time of award, none of which will expire at the end of the current fiscal year. Naval Air Warfare Center Aircraft Division, Lakehurst, New Jersey, is the contracting activity.