The Boeing Co., Huntsville, Alabama, is being awarded an indefinite-delivery/indefinite-quantity contract with a maximum dollar amount of $5,021,000,000. Under this new contract, the system integration, test, and readiness (SITR) contractor is responsible for overall Ground-Based Midcourse Defense (GMD) Element engineering, integration including physical and logical integration of the GMD Element and components and GMD integration with the Missile Defense System; and planning, and execution of all necessary testing to verify overall requirements compliance. In addition, SITR is responsible for day-to-day systems operations and readiness, performs routine maintenance functions, performs analysis related to GMD Element health and availability, and executes failure/fault checklists, as appropriate. A task order in the amount of $506,670,786 is being issued at this time. The work will be performed primarily in Huntsville, Alabama. The ordering period is from Sept. 1, 2022, through Aug. 31, 2027. This contract was competitively procured via publication on the government-wide Point of Entry website with three proposals received. Fiscal 2022 research, development, test and evaluation funds in the amount of $4,548,306 are being obligated on this award. The Missile Defense Agency, Huntsville, Alabama, is the contracting activity (HQ0856-22-D-0002).