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operational systems development


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Budget Activity (BA) 7 within a research, development, test, and evaluation (RDT&E) appropriation account that includes development efforts to upgrade systems that have been fielded or have received approval for Full-Rate Production (FRP) and for which funding is anticipated in the Current Year (CY) or subsequent Fiscal Year (FY). A logical progression of program phases and development and production funding must be evident in the Future Years Defense Program (FYDP) consistent with DoD's full funding policy.