L3Harris expands payload production facility in Fort Wayne, Indiana. Photo: L3Harris

Revenue in the L3Harris Space and Airborne Systems (SAS) segment was roughly flat in 2025, with the government shutdown impacting contracts in the fourth quarter. L3Harris is forecasting growth in 2026 with reorganized business segments. 

Moving forward, space capabilities will be part of Space & Mission Systems (SMS), a new segment for multi-domain defense solutions created from the current SAS segment and Integrated Mission Solutions segment. 

In 2025, Space and Airborne Systems revenue increased 1% year-over-year to $6.9 billion. The segment reported lower volume from program timing in the space systems business and lower classified volume in intel and cyber. business. 

L3Harris reported the government shutdown resulted in later award timing that delayed expected fourth quarter and 2025 revenue.

However, the Space and Airborne Systems improved operating margin in 2025 by 50 bps to 12.3%, which the company attributed to stabilizing program performance and a cost savings program. 

L3Harris’ Communication Systems business, which includes satellite terminals, grew revenue 4% year-over-year in 2025 to $5.7 billion. The company reported increased international deliveries for software-defined resilient communications products, and ramp up on the Next Generation Jammer Electronic Warfare program. The Communication Systems segment also improved operating margin in 2025 by 90 bps. 

Company-wide, L3Harris reported $21.9 billion in revenue, up 3% year-over-year. Revenue was short of raised guidance issued in October of $22 billion. 

Company-wide guidance for 2026 is $23 billion to $23.5 billion — just over 6% growth at the midpoint. 

The new Space & Mission Systems is expected to drive approximately $11.5 billion in revenue in 2026 due to growth in intelligence, surveillance, and reconnaissance (ISR) aircraft missionization and space solutions.

The Communication Systems business will now be part of Communications & Spectrum Dominance (CSD), also including the company’s WESCAM sensor business and other electronic warfare programs. CSD guidance for 2026 is $8 billion. 

The final segment is Missile Solutions (MSL), combining Aerojet with critical missile systems, including air launched effects, seekers and other advanced technologies. MSL guidance for 2026 is $4.4 billion.