Systems Engineering for Safer, Smarter Defense Systems
Digital Thread MBSE for MOSA alignment, Human Systems Integration, and acquisition support that accelerates mission systems delivery.
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![A diagram with blocks representing different components of a data analysis process, connected to a central domain labeled 'HFE', and an artifact labeled 'MIL-STD-1472H' linked to the domain.]()
MBSE & SysML Model Development
High‑fidelity SysML models for requirements traceability, architecture definition, and verification artifacts.
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![Diagram showing the hierarchy of a hazardous materials (hazmat) domain, including sections on health hazard, personnel, manpower, survivability, and related assessments and standards, with links to a certification.]()
Human Systems Integration (HSI)
HSI and human factors engineering aligned to MIL‑STD guidance to improve safety, usability, and certification readiness.
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![A diagram illustrating the Task Performance Standards, including task time, completeness, and precision, with corresponding definitions for each component.]()
MOSA Conformance
Design and validation services to ensure subsystems and LRUs meet Modular Open Systems Approach objectives.
About Us
SEDAC Systems is the engineering practice of SEDAC LLC, based in Huntsville, Alabama. We combine practical MOSA experience, SME‑level MBSE, and human‑centered design approaches to reduce acquisition risk and speed mission system delivery.
Our founders bring deep experience in SysML modeling, MOSA conformant integrated product teams, human systems integration (HSI), and DoD acquisition support.
From whiteboard to flight testing, we provide industry leading practical support across the Adaptive Acquisition Framework (AAF) and DoDI 5000.02.