The Boeing Co., Colorado Springs, Colorado, has been awarded a $329,303,008 indefinite-delivery/indefinite-quantity contract for Global Positioning System (GPS) IIF on-orbit support to satisfy the GPS IIF mission requirements. This contract will provide engineering services to the operational units in support of GPS Block IIF satellite constellation. Work will be performed in Colorado Springs, Colorado; and Los Angeles, California, and is expected to be completed by Dec. 20, 2031. The Space Systems Command Directorate of Contracting, Peterson Air Force Base, Colorado, is the contracting activity (FA8823-22-D-0001).