The Next 250 Years Start With What We Build Now
As we look to the next 250 years, the way we construct our military systems may prove just as crucial as the systems themselves. This is the premise of the Modular Open Systems Approach (MOSA), which advocates for standardizing and creating interoperable architectures. This approach allows for components to be seamlessly added, upgraded, or replaced without necessitating an entire redesign of the platform. In essence, MOSA simplifies the integration of new sensors, software, radio components, and mission applications in response to the rapid pace of technological advancement.
The importance of MOSA cannot be overstated, particularly as many existing systems were not designed with rapid modernization in mind. Upgrading these legacy systems can often be a slow, expensive process, hampered by closed architectures that stifle flexibility. In contrast, MOSA, akin to software-defined frameworks, presents a more adaptable solution, enabling operators to modernize swiftly, enhance interoperability, and deploy new technologies with greater efficiency. This model is essential in an era where threats evolve quickly and systems must not only keep pace but also anticipate future challenges.
L3Harris is playing a pivotal role in advancing this promising approach through its ongoing support of modular open systems for various air platforms under the U.S. Air Force. These efforts signify a broader transformation in American innovation philosophy, shifting from static, closed designs to dynamic systems that can grow and adapt over time.
In this new era of national defense technology, the flexibility afforded by MOSA could emerge as one of our most significant strategic advantages.
Source: L3Harris (2026-07-22)
