Once a major system is fully deployed, it transitions to the sustainment phase, where Office of Management and Budget Circular No. A-11 provides guidance to Federal agencies to conduct an operational analysis (OA) periodically to ensure systems continue to perform as intended. From fiscal years 2018 through 2021, the Department of Homeland Security had 15 major systems that transitioned to sustainment and required OAs; these systems had operations and maintenance costs totaling about $1.1 billion in FY 2021.
Friday, September 22, 2023
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Report updated under NDAA 5274: