Military Embedded Systems

Topic: SOSA

Blog
Making the case for MOSA

November 20, 2025

Six years have passed since the tri-service memo was issued by the Air Force, Army, and Navy leadership mandating the use of a modular open systems approach (MOSA) in all new programs and technology refreshes. Many in the defense community were already embracing MOSA strategies and leveraging open standards, but having the three services mandate it promised faster adoption. Update: It’s happening. MOSA is already the law and now defense secretary Pete Hegseth is dictating a MOSA approach as part of his efforts to reform and speed up the defense acquisition process.

SOSA e-Book: Leading editorial on the impact of the SOSA Technical Standard in military applications

The SOSA Technical Standard is arguably the fastest growing standard within the U.S. defense industry as new members join the consortium each month and defense programs demand more SOSA content in their requirements. That industry enthusiasm and support for the SOSA approach is why we have compiled this SOSA e-Book.

SOSA Special Edition 2025

The 5th annual SOSA Special Edition from Military Embedded Systems: Don't miss all the great features, product profiles, and subject-matter-expert speakouts!