Knox County Association for Retarded Citizens,** Vincennes, Indiana, has been awarded a $8,999,635 modification (P0002) exercising the first option period of a one-year base contract (SPE1C1-18-D-N024) with two one-year option periods for undershirts. This is a firm-fixed-price contract. Location of performance is Indiana, with a Nov. 12, 2019, performance completion date. Using military services are Army and Air Force. Type of appropriation is fiscal 2019 defense working capital funds. The contracting activity is the Defense Logistics Agency Troop Support, Philadelphia, Pennsylvania.