The Space Systems MOSA Interface Standards Alliance was established for the purpose of voluntary consensus and development and update of space system interface standards (in accordance with Public Law 104-113 and OMB Circular A-119) and MOSA laws as specified for major defense acquisition programs in 10 USC 2446a (renumbered 10 USC 4401), 10 USC 2446b and c.
The Space Systems MOSA Interface Standards Alliance was initiated for the purpose of developing standards to facilitate and enforce the implementation of standardized interfaces on Enterprise space systems.
In May 2020, the Office of the Undersecretary of Defense for Research and Engineering released the “Modular Open Systems Approach (MOSA) Reference Frameworks in Defense Acquisition Programs.” It states:
There is a common thread of agreement that implementation of MOSA will enhance resiliency in future space systems but looking back, it will also help prevent issues we’re facing with some of our legacy systems. In a 2021 article “Is the Pentagon Serious About Implementing Open Systems Architectures,” former Assistance Secretary of Defense for Systems Engineering, Mr. Stephen Welby, is quoted,
- OUSD R&E, “Modular Open Systems Approach (MOSA) Reference Frameworks in Defense Acquisition Programs,” May 2020. MOSA-Ref-Frame-May2020.pdf (cto.mil)
- Mattis, Jim. 2018. Summary of the 2018 National Defense Strategy of the United States of America: Sharpening the American Military Competitive Edge. Washington, D.C.: Department of Defense.
- Real Clear Defense, “Is the Pentagon Serious About Implementing Open Systems Architectures?” April 6, 2021, Is The Pentagon Serious About Implementing Open Systems Architectures? | RealClearDefense
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