Department of War guidance
Read the 2026 MOSA memorandum and download the original document.
Title 10 requirements
Explore the Title 10 MOSA outline by applicability, acquisition decision, and military department responsibility.
Government resources
- Open Arsenal · U.S. Air Force — open mission systems architectures and standards.
- DEVCOM Ground Vehicle Systems Center · U.S. Army — the Army’s ground vehicle research and engineering center, with work in electronics, architecture, and software integration.
- Naval Air Systems Command MOSA · U.S. Navy — NAVAIR’s overview of MOSA and its collection of implementation resources.
- PEO Aviation’s Modular Open Systems Approach · U.S. Army — a June 2024 article on Army aviation’s approach, including its architecture working group and enterprise major system components.
Standards and modeling
The Open Group
- Future Airborne Capability Environment (FACE) standards — publications on software portability and reuse across avionics systems.
- Sensor Open Systems Architecture (SOSA) standards — publications on modular architectures and interfaces for sensor systems.
Object Management Group (OMG)
- Unified Architecture Framework (UAF) — specifications and machine-readable artifacts for enterprise architecture modeling.
- Systems Modeling Language (SysML) — specifications for modeling system requirements, structure, and behavior.
Acquisition training
Warfighting Acquisition University (WarU), formerly Defense Acquisition University, publishes learning material for the acquisition workforce.
- Interfaces, MOSA and Module Level Competition — an October 2026 webinar with MOSA Cadre members on the new policy and its implications for acquisition teams.
- WarU Media MOSA collection — browse additional recordings by topic and date.
For the department’s policy text, see the September 2026 memorandum.