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Swarm Aero has deployed its Legion command and control software during the U.S. Naval Forces Southern Command/U.S. 4th Fleet’s Fleet Experimentation (FLEX) 2026 event to coordinate heterogeneous uncrewed assets.
During the evaluation, the platform enabled a single operator to manage a full find, fix, track, target, engage, assess (F2T2EA) chain. The operation involved coordinating diverse air and sea systems within a unified operating environment, ranging from exquisite Group 5 unmanned aerial systems to expendable platforms.
The FLEX exercise, held in Key West, Florida, serves as a premier experimentation campaign to evaluate advanced robotic and autonomous systems. The initiative addresses the operational challenge of patrolling vast maritime regions with a limited number of traditional naval assets by integrating artificial intelligence alongside innovative multi-domain uncrewed platforms.
“We’ve yet again shown the level of orchestration customers demand – a single operator able to plan and command operations with dozens of heterogeneous, multi-domain assets and diverse autonomy profiles simultaneously executing a mission,” said Peter Kalogiannis, CEO and co-founder, Swarm Aero. “FLEX showcased that Legion’s unique approach to UXS orchestration is operational and that we move fast to meet existing and emerging mission demands.”
The event was attended by various distinguished visitors, including Undersecretary of War for Research and Engineering Emil Michael; Gen. Francis L. Donovan, commander of U.S. Southern Command; and Vice Adm. John Dougherty IV, commander of Naval Air Systems Command. Additional leaders from the U.S. Navy, U.S. Coast Guard, Joint Interagency Task Force South, partner-nation militaries, and industry partners were also present to observe the capabilities.
Operational results for the software during the exercise included the unified control and monitoring of seven unique platforms and dozens of sensors through a Single Pane of Glass interface. The demonstration established rapid integration timelines, bringing new autonomous platforms online in periods ranging from hours to days.
The system successfully executed an autonomous maritime operation chain from organic sensing and track generation through target handoff, engagement, and battle damage assessment. It achieved a 100 percent success rate on live-fire target hits, going three for three during the trials. Additionally, the exercise demonstrated peer-to-peer multi-user operations afloat and ashore, maintaining vehicle state awareness, sensor feeds, and track management while scaling operations from intelligence, surveillance, and reconnaissance to kinetic effects.
“We made engineering and design choices around Legion’s architecture to enable mass control before Replicator or Project Overmatch were even announced, and those decisions plus years of heavy warfighter-driven iteration have enabled Legion to quietly race forward as the leading C2 for UXS,” said Oliver Palmer, CRO and co-founder, Swarm Aero. “Legion is highly intuitive, operators with a few hours of exposure can use this single interface to control full missions involving expendable to exquisite assets and leverage many different vendors’ autonomy products that we easily integrate. We’re incredibly proud of the outcomes at FLEX and excited for what comes next.”
