advanced component development and prototypes
Budget Activity (BA) 4 within a research, development, test, and evaluation (RDT&E) appropriation account that includes efforts necessary to evaluate integrated technologies and representative modes or prototype systems in a high fidelity and realistic operating environment, and system-specific efforts that help expedite technology transition from the laboratory to operational use. The emphasis is on proving component and subsystem maturity prior to integration in major and complex systems and may involve risk-reduction activities. Program elements (PE) funded under this BA typically involve pre-Milestone B efforts, and are referred to as advanced component development activities and include technology demonstrations.
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