Integrated Soldier System
The Integrated Soldier System (ISS) is L3Harris's flagship warfighter platform, built to connect soldiers at the tactical edge to battlefield networks and command. It delivers real-time, two-way visuals, voice, and data, linking individual soldiers to command with mission-critical intelligence through an integrated suite of night vision, communications, weapons, and user-interface technologies.
The Challenge
Combining multiple products into one concise solution
The merger of L3 and Harris combined two massive portfolios of products, but the challenge was figuring out how to synergize them into one complete product offering that matches the modern warfighter's needs. No other company had the assets to accomplish this, until now.
As battlefield complexity grows, individual soldiers need instant access to ISR and situational awareness that was once available only at the command level. The problem isn't just getting information to the edge, it's doing it reliably across bridges, tunnels, ships, and degraded environments, while keeping soldiers mobile, protected, and able to act on intel in seconds, not minutes.
The Strategy
Equip the warfighter as a networked node, not a lone operator
The ISS was built around the idea that a soldier should function as a fully connected, intelligence-enabled unit. Rather than bolt-on accessories, the system integrates night vision, tactical comms, precision weapons, and a common user interface into a cohesive platform.
That platform is tailored to each mission, environment, and budget, and compatible with existing tactical equipment to minimize replacement costs, so units adopt new capability without discarding what already works.
The Solution
Four systems, one seamless warfighter
The ISS brings together four core capability pillars. Advanced night vision goggles combine thermal and image-intensification technology, even routing the weapon sight directly into the goggle display so soldiers can engage targets from covered positions.
Software-defined multiband radios form a self-healing MANET network, supporting voice, video, GPS, UAV feeds, and encrypted data. Precision weapon systems incorporate ballistic calculators adjusted for range and atmospheric conditions.
The standard Falcon® interface ties it all together, enabling a shared Common Operational Picture with real-time position-location information and text pushed directly to every soldier's display.
The Impact
The whole battlefield network, carried by every soldier
The ISS turned two merged portfolios into a single, coherent offering, equipping each soldier with real-time, two-way visuals, voice, and data, and streaming live video from the edge directly to command. Connectivity holds across bridges, tunnels, ships, and degraded environments, so intelligence reaches the people who need it in seconds.
Because the platform is compatible with existing tactical equipment and tailored to each mission, environment, and budget, units gain a networked, intelligence-enabled warfighter without replacing the gear they already rely on, operational across every environment and mission type.