Kepler Communications has started its commercial service for the first tranche of its optical data relay network. The milestone follows the constellation’s initial deployment in January 2026 and according to Kepler now provides government and commercial customers with an operational architecture for real-time space communications.
The system utilizes an IP-based framework integrated with optical inter-satellite links and distributed edge computing. This design allows operators to process and transmit data continuously before it reaches Earth. By reducing latency, the network directly supports AI workflows and increasingly autonomous operations in low-Earth orbit.
For the defence sector, continuous space-based connectivity is a baseline requirement for modern multi-domain operations. Terrestrial ground, air, and sea deployments rely heavily on uninterrupted space assets for secure intelligence, surveillance, and reconnaissance (ISR) as well as space domain awareness (SDA). Kepler has validated its optical capabilities across several SDA-compatible scenarios. These include cross-plane optical tracking, space-to-space links, and space-to-ground connections using a network of over 10 optical ground stations globally. The company also recently completed a commercial space-to-air optical data relay demonstration, proving the viability of the technology for airborne defence assets.
“Reaching commercial operations at scale is a defining milestone for Kepler,” said Mina Mitry, chief executive officer of Kepler. “Over the past several years, we’ve demonstrated what’s possible with optical networking in space. Today, we’re delivering on real-time mission needs while laying the foundation for the next generation of space operations.”
To meet growing demand, Kepler is scaling its hardware production and launch supply chain. The company plans to deploy its next generation of spacecraft across multiple launches in 2028. This expansion strategy includes a dedicated medium-lift flight aboard a Rocket Lab Neutron vehicle. Securing dedicated launch capacity gives Kepler tighter control over its deployment schedule in a constrained rideshare market.
The expanded 2028 constellation will incorporate advanced optical terminals capable of supporting data rates up to 100 gigabits per second. The upgraded network will support future integration with third-party hosted payloads and broader initiatives, including the European Space Agency’s HydRON program.