
Modernizing Command and Control Systems for Multi-Domain Operations
8-minute readSeptember 2nd, 2026
Modern defense operations increasingly depend on the ability to coordinate information across air, land, maritime, cyber, and space domains. Yet many command and control environments remain fragmented across legacy platforms, proprietary systems, and disconnected operational workflows. The challenge is no longer simply acquiring better technology. It is creating an integrated operational environment where information can move securely, decisions can be made rapidly, and commanders can maintain a shared understanding of evolving situations.
The Execution Gap
Organizations face:
- Fragmented command systems
- Limited interoperability between platforms
- Delayed access to operational information
- Legacy infrastructure that restricts modernization
- Increasing cybersecurity and resilience requirements
These constraints compound in multi-agency and coalition operations, where no single organization controls the full information environment and modernization has to proceed without interrupting activity that cannot pause.
Key Insights
1. Interoperability must be designed, not assumed.
Systems from different domains need common interfaces, standards, and data models. Interoperability achieved late in a program is usually achieved through custom connections that are expensive to maintain and difficult to extend.
Interoperability is an architectural decision taken at the start, not an integration task completed at the end.
2. Decision velocity depends on information architecture.
Commanders require relevant information at the point of decision, not simply more data. Additional collection capacity does not shorten the interval between observation and action if what is collected cannot reach the person deciding in a form they can use.
The measure of a command system is the time between observation and decision, not the volume of data it holds.
3. Modernization must coexist with legacy environments.
Replacing entire ecosystems is often impractical. Incremental integration can reduce operational disruption:
- Capability introduced in phases around stable interfaces
- Parallel operation of legacy and modern systems during transition
- Explicit criteria for retiring each legacy component
A modernization program that requires operations to pause has already failed its first requirement.
4. Resilience is as important as capability.
Command systems must remain useful when individual networks, systems, or communication channels are degraded. A system validated only under full connectivity carries an untested assumption into the environment where it matters most.
Define how the command environment should behave when degraded, then test it under those conditions.
Case in Practice
Integrating Command Capabilities Across a Multi-Domain Environment
A multi-domain operational environment required integration across legacy command applications, communications infrastructure, and newer digital capabilities. Information moved between these systems through manual handoffs and point-to-point connections that were difficult to maintain and impractical to extend.
Approach
- Established common integration patterns across legacy and modern systems
- Clarified the information flows supporting priority operational decisions
- Strengthened architectural governance over the introduction of new systems
- Introduced phased interoperability improvements around stable interfaces
Impact
- Improved information exchange between previously disconnected command systems
- Reduced reliance on manual handoffs between operational teams
- Created a repeatable pattern for integrating future capabilities
- Avoided wholesale replacement of existing systems
What Leaders Should Do
1. Establish an enterprise interoperability strategy.
Define the data models, interface standards, and integration requirements every new system must meet before procurement begins, rather than negotiating them one system at a time.
2. Prioritize information flows around operational decisions.
Start from the decisions commanders actually make, then work backward to the information those decisions depend on and the systems that hold it.
3. Modernize incrementally around stable architectural standards.
Sequence new capability so operations continue uninterrupted, and set explicit conditions for retiring each legacy component.
4. Build resilience into the architecture from the beginning.
Specify the expected behavior of the command environment under degraded and contested conditions, and validate the design against them rather than against ideal ones.
Conclusion
The future of command and control will depend less on individual systems and more on how effectively they operate together. Organizations that treat interoperability, information architecture, and resilience as architectural decisions rather than late-stage integration problems will adapt faster when conditions change. The objective is not a modern inventory of systems. It is a command environment that continues to function as a whole under pressure.