"The Future Combat Systems (FCS) is a system of systems, comprised of 14 individual systems, all connected via a common network with the Soldier as the centerpiece. The Army has recognized that evolutionary acquisition enables the rapid fielding of FCS technologies as they mature to meet warfighter requirements. It has implemented the Spin-out plan to leverage FCS R&D efforts to insert new capabilities into the Current Force. Complex system of systems development, however, requires more robust approaches to ensure effective and efficient delivery of new capabilities to the warfighter such that he can immediately take advantage of the full capabilities the new system offers. Integrating a Modular Open Systems Approach to acquisition ensures the seamless insertion of newly acquired systems into existing systems and facilitates insertion of future envisioned systems. The System Structure methodology provides a framework for engineering a system and is used to integrate the evolutionary acquisition process and the modular open systems approach for a tailored framework that addresses the needs and requirements of the FCS program and contribute to Army Modernization Strategy overall. The integration of evolutionary acquisition and MOSA within a sound systems engineering framework results in an insertion strategy that is responsive and flexible with the greatest benefit to the end user of the resulting products."
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