What is AMS GRA?
The architecture in plain English: the MFA / MFP / MPS layers, the two buses, Minimum Procurable Units, Skills, and how OMS and Big Iron fit in.
AMS GRA is the U.S. Air Force's open reference architecture for software-defined mission systems — absorbing Open Mission Systems (OMS) and Big Iron into one modular, vendor-agnostic framework. The official documents are public. This site helps you navigate them.
The official release is sixteen architecture volumes, interface documents, and compliance artifacts — with no README. Start here instead.
The architecture in plain English: the MFA / MFP / MPS layers, the two buses, Minimum Procurable Units, Skills, and how OMS and Big Iron fit in.
Every published volume and interface document, what it covers, who should read it, and a direct link to the official PDF.
MPU, MFA, ABB, ASB, MASI, MSI, PCaB… the acronyms, decoded and cross-referenced.
Automated tracking of the official GitHub and GitLab repositories, plus hand-curated milestones like new standard versions.
Companies building hardware, software, and services for the AMS GRA and OMS ecosystem — searchable by architecture category.
Who runs amsgra.com, what it is (and isn't), and how to get in touch or suggest a correction.
Everything on this site links back to the authoritative material published by the Air Force Life Cycle Management Center (AFLCMC).
Mission Systems Architectures portal: platforms, C2, autonomy, weapons, and the Prometheus Flame program.
Architecture volumes, interface description documents, and compliance artifacts. Mirrored on GitLab.
The Open Mission Systems standard (v2.5) — the software-service backbone AMS GRA builds on. Mirrored on GitLab.
The government's reference implementation on GitLab: example Skills, MEL interfaces, libraries, a simulator, and a getting-started guide for building against AMS GRA.