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May 3, 2026
๐จ A new Era of Digital Underwater Communications is Beginning | JANUS: The First Digital Language for Underwater Robots & Submarines๐⚡
A new era of digital underwater communications is beginning. For decades, satellites and mobile phones have connected the world on land using international standards, but underwater the story has always been different. Water covers more than seventy percent of our planet's surface, yet the communication technologies that work so well above water simply do not perform underwater. This creates a major challenge for exploration, research, and security operations beneath the waves.
To solve this problem, NATO has taken a historic step by sponsoring research into the world's first digital underwater communications standard. At the heart of this effort is the NATO STO Centre for Maritime Research and Experimentation, known as CMRE, located in La Spezia, Italy. Scientists and engineers there have developed a new standard called JANUS, which has now been officially recognized as a NATO standard by all NATO Allies. This is the first time in history that a digital protocol for underwater communication has received such international acknowledgment.
As we watch these underwater robots being carefully deployed during testing, you can see how important reliable communication has become. These intelligent machines work together in teams, sharing information through acoustic signals. Their success depends on their ability to talk to each other without human help and to adapt their missions in real time. In the past, underwater communication was difficult and there was no common language all devices could understand.
Here we see networks of different types of underwater robots being tested in beautiful locations like the Azores Islands in Portugal and near Girona in Spain. The robots move in formation, exchanging data as they explore together. A monitoring station on a tripod, similar to those used in CMRE's Littoral Ocean Observatory Network, helps collect valuable information during these experiments. This technology allows robots to stay connected even in challenging underwater conditions.
Moving forward, we see more advanced testing happening at sea on board the NATO research vessel Alliance. This impressive ship, owned collectively by NATO nations and operated by the Italian Navy, serves as a floating laboratory for cutting-edge underwater research. Scientists and engineers work diligently in the main laboratory, preparing equipment and analyzing results while the ship sails through open waters.
One of the key underwater robots featured here is the MUSCLE Autonomous Underwater Vehicle. Watch how it operates alongside other assets, demonstrating new solutions that bring full interoperability between different underwater systems. Another advanced robot, the Ocean Explorer AUV, is deployed from the ship during NATO exercises, showing the real-world capabilities being developed through this research.
The work happening on this vessel represents years of dedicated effort to overcome the barriers of underwater communication. Every test, every deployment, and every piece of data brings us closer to a future where humans and machines can operate effectively beneath the ocean surface. This is not just about technology. It is about opening up a vast new world of possibilities for scientific discovery, environmental monitoring, and maritime safety.
The journey continues as we explore more of these groundbreaking developments in underwater connectivity.
Continuing our look at this exciting new era of underwater communications, we now focus on the practical testing of the JANUS standard in real ocean conditions. The CMRE team has conducted numerous sea trials using the Littoral Ocean Observatory Network, or LOON. This innovative test bed consists of acoustic tripods that form an underwater network, providing an excellent low-cost platform for experimenting with new communication methods.
Here we see one of the LOON tripods before it is lowered into the sea. Engineers carefully prepare the electronics on deck, ensuring everything is ready for deployment. The smaller coastal research vessel Leonardo is used to place these tripods in position. Once underwater, these devices become part of a living network, eventually colonized by marine life while continuing to operate and transmit valuable acoustic data.
International collaboration has played a crucial role in developing JANUS. The Portuguese Navy, for example, has worked closely with CMRE to create new ways for submarines to exchange important information while underwater. Normally submarines can only communicate via radio when they surface, but JANUS allows them to share data such as the location of nearby ships without breaking the surface. This significantly improves safety and operational effectiveness during maritime missions.
Watch as an autonomous underwater vehicle from the Portuguese Navy prepares to begin its mission. These advanced robots rely on acoustic signals to communicate and coordinate with each other. Previously there was no universal standard, which limited what was possible. Thanks to JANUS, different systems from different countries can now work together seamlessly.
In these scenes from the MORPH project, we see heterogeneous underwater robots navigating in formation using acoustic communications. The robots move gracefully through the water, maintaining their positions relative to one another while sharing data in real time. This level of coordination was extremely difficult before standardized digital communication became available.
Scientists and engineers are seen working together during deployment and recovery operations. The robots are carefully lowered into the ocean and later retrieved for analysis. A glider robot is deployed from the workboat of the NATO research vessel Alliance. These gliders are special because they have no traditional propulsion. Instead, they use changes in buoyancy and mass to dive, surface, and steer while collecting environmental data over long periods.
Another powerful example is the REMUS autonomous underwater vehicle, which provides a unique perspective as it starts its underwater journey. These vehicles support important navy operations and scientific research by gathering information from environments that are difficult for humans to reach directly.
All of this work demonstrates how JANUS is not just a technical standard, but a foundation for safer, smarter, and more collaborative underwater operations across the globe. The technology opens doors to better environmental monitoring, improved maritime security, and exciting new possibilities for ocean exploration that were previously unimaginable.
As we dive deeper into the capabilities enabled by this new underwater communication standard, it becomes clear how much potential exists for the future. These autonomous underwater robots show impressive independent behavior as they follow programmed tracks and make decisions based on the information they receive from their network. The ability to operate without constant human control while staying connected represents a major breakthrough in marine technology.
Advanced modelling and simulation tools are being used to test underwater robotics scenarios in virtual environments before real-world deployment. These simulations help researchers understand how different vehicles will interact, how signals will travel through water, and how various conditions might affect communication reliability.
We also see detailed modelling of underwater communications between gliders and naval units. This work is essential for ensuring that the JANUS standard performs consistently across many different platforms and mission types. Scientists study everything from signal strength to data transfer rates to make the system as robust as possible.
The development process involves countless hours of laboratory work, computer modelling, and actual sea trials. Every aspect is carefully refined so that when these systems are used in real operations, they deliver reliable performance. The collaboration between NATO Allies, research institutions, and industry partners has been key to achieving this level of success.
Looking at the bigger picture, JANUS represents much more than just a technical achievement. It addresses a fundamental gap that has existed in underwater operations for many years. Now, with a recognized international standard in place, companies, navies, and research organizations worldwide can develop compatible equipment and applications with confidence.
This standardization will accelerate innovation in areas such as underwater search and rescue, environmental monitoring, offshore energy operations, and scientific exploration. Imagine networks of robots working together to map the ocean floor, monitor marine life, or respond to emergencies. All of these applications become much more practical when reliable digital communication is available beneath the waves.
The footage of robots moving in coordinated patterns, gliders silently collecting data, and scientists carefully monitoring every detail shows the human dedication behind this technological progress. Each successful test brings us closer to a world where the underwater domain is as connected and accessible as the world above water.
The journey of underwater digital communications has only just begun, but the foundation laid by JANUS provides a strong platform for decades of future development and discovery. This is truly the start of a new era where humans can explore, understand, and protect the oceans more effectively than ever before.
To conclude this overview of underwater communication advancements, let us reflect on the significance of what has been achieved. The recognition of JANUS as a NATO standard marks a historic milestone. For the first time, the international community has a common digital language for devices operating beneath the ocean surface. This achievement opens countless doors for practical applications that will benefit both military and civilian sectors.
Throughout the video we have seen the real-world testing environments where this technology is being perfected. From research vessels sailing in open seas to autonomous vehicles diving deep, from fixed acoustic networks on the seabed to mobile robot teams working in formation. Every scene represents progress toward more capable, more reliable, and more interoperable underwater systems.
The CMRE team in La Spezia continues to lead this important work, supported by NATO Allies and partner nations. Their research vessel Alliance and coastal vessel Leonardo provide essential platforms for experimentation. The scientists, engineers, and naval personnel involved demonstrate the collaborative spirit needed to solve complex technical challenges.
As these technologies mature, we can expect to see increased use of underwater networks for environmental protection, disaster response, resource exploration, and scientific research. The ability for different underwater assets to communicate reliably will transform how we interact with the ocean environment.
This new era of digital underwater communications brings hope for better understanding and stewardship of our planet's vast oceans. The work being done today will enable future generations to explore places that remain mysterious to us now. It will help protect marine ecosystems, support sustainable development, and enhance maritime safety around the world.
The transition from analog limitations to digital standardization underwater is comparable to the revolution that mobile phones and the internet brought to life on land. The potential impact is equally significant.
Thank you for watching this presentation about the groundbreaking JANUS standard and the dedicated people working to connect the underwater world. The future of ocean technology looks brighter than ever before, thanks to these important advances in underwater acoustic communications.
As we reach the final chapter of this remarkable journey into underwater digital communications, it is important to understand the broader vision that drives this entire effort. The successful standardization of JANUS is not simply a technical accomplishment. It represents a fundamental shift in how humanity will interact with the underwater world in the coming decades. With over seventy percent of Earth covered by oceans, having reliable digital communication beneath the waves unlocks possibilities that were once considered science fiction.
Looking back at everything we have witnessed, from the deployment of intelligent robot teams to the sophisticated testing aboard the NATO research vessel Alliance, we see a clear pattern of innovation and collaboration. The CMRE team has worked tirelessly alongside NATO Allies, partner nations, and scientific communities to overcome the unique challenges of underwater acoustic signaling. What makes JANUS truly special is its ability to allow completely different underwater systems to understand each other perfectly, creating true interoperability across platforms and borders.
This level of connectivity will transform maritime operations, making them safer and more effective. Navies will be able to coordinate with submarines and autonomous vehicles in real time. Search and rescue teams will deploy robot networks that can cover vast areas quickly. Environmental scientists will use long-duration gliders and sensor networks to monitor ocean health, track climate change effects, and protect delicate marine ecosystems with greater precision than ever before.
The footage of robots navigating in formation, gliders silently moving through the depths, and engineers carefully monitoring every test reflects years of dedicated research. These are not isolated experiments. They form the foundation of a connected underwater domain where data flows reliably between vehicles, sensors, and command centers. The LOON test bed and sea trials conducted in various locations have proven that JANUS performs consistently even in difficult conditions.
Looking toward the future, this new standard will encourage even more innovation. Companies and research institutions worldwide can now develop compatible products knowing there is an internationally recognized protocol. This will accelerate the creation of smart underwater cities of sensors, advanced autonomous fleets for offshore energy, and real-time ocean observation systems that help us better understand and protect our planet.
The work being done today by CMRE in La Spezia and their international partners is building something that will benefit generations to come. It opens the door to exploring the deep ocean with the same confidence we have when using mobile phones on land. The ocean, which has remained largely mysterious and difficult to connect with, is finally entering the digital age.
In conclusion, the recognition of JANUS as a NATO standard marks the beginning of a new era of exploration, cooperation, and discovery. What we have seen in these tests and experiments is only the start. As the technology spreads and more nations and organizations adopt it, we will witness an explosion of new applications that enhance our understanding of the oceans and improve our ability to operate safely and sustainably within them.
This is more than just underwater communication. It is about connecting with the largest and most important environment on our planet in ways that were previously impossible. The future of ocean technology is here, and it sounds like the clear, reliable digital signals of JANUS echoing through the depths. A new chapter in humanity’s relationship with the sea has truly begun.
May 2, 2026
๐๐บ๐ธ U.S. Navy Conducts FLEX 2026 in Key West, Florida – Sailors and Experts Test Advanced Unmanned Aerial Systems, Surface Vehicles and AI with Manned Platforms to Build Real-World Kill Chain Against Drug Boats and Strengthen Maritime Security.
In the sunny and strategically important waters surrounding Key West, Florida, the United States Navy is proudly conducting its annual Fleet Experimentation event, known as FLEX 2026, which stands as a major milestone in modern naval innovation and operational readiness that brings together dedicated sailors, civilian government experts, and the latest advancements in unmanned technology.
This comprehensive five-day exercise, running from April 24th through April 30th of 2026 and hosted by U.S. Naval Forces Southern Command along with the U.S. 4th Fleet, is designed to test and demonstrate how the Navy can effectively prepare, launch, and control a wide range of unmanned aerial systems and unmanned surface vehicles while integrating them seamlessly with traditional manned naval platforms during realistic mission scenarios.
Sailors and civilian government workers are working side by side in a highly coordinated effort, carefully preparing and operating these advanced systems in real time to explore new ways of enhancing maritime security and operational effectiveness across vast ocean regions.
The core objective of FLEX 2026 is to integrate commercially developed unmanned systems and cutting-edge artificial intelligence tools directly with existing manned naval assets, creating a unified and highly capable force that can locate, track, and successfully engage targets such as captured drug boats operated by transnational organized crime networks.
Through this important collaboration between the Department of Defense and leading industry partners, the exercise is building a sophisticated kill chain that proves the real-world value of robotic and autonomous systems in combating illegal activities and patrolling challenging maritime environments where traditional methods alone may not be sufficient.
At the center of the operations you can see the Freedom-variant littoral combat ship USS Wichita serving as a key command platform, coordinating multiple unmanned systems in the air and on the water surface with precision and efficiency throughout the entire exercise.
The Aerosonde unmanned aerial system takes to the skies to deliver critical intelligence, surveillance, and reconnaissance data, providing a vital aerial perspective that supports every phase of the mission while working in close harmony with surface assets.
Meanwhile, the Tsunami unmanned surface vehicle operates smoothly across the ocean waves, collecting valuable information and contributing directly to the overall success of the integrated operations in a reliable and effective manner.
Adding even more depth to the mission is the Beechcraft Super King aircraft, which joins forces with the advanced Vanilla unmanned aerial system to offer a perfect blend of manned and unmanned aerial capabilities that increase flexibility, endurance, and mission success rates.
The Trials and Research Vessel NAWC 38 plays an essential role as a dedicated testing and research platform, allowing engineers and operators to evaluate new technologies under realistic conditions while the impressive Orca unmanned aerial system showcases its long-range autonomous flight abilities that represent the future of naval aviation.
All of these platforms are functioning together in real time to create a complete and powerful demonstration of how unmanned systems can greatly enhance the Navy’s ability to maintain security, respond to threats, and conduct complex operations across wide maritime areas with greater safety and efficiency than ever before.
FLEX 2026 goes well beyond simple equipment testing, as it focuses on developing new tactics, improving real-time coordination between manned and unmanned forces, and preparing sailors and crews for the demanding missions they will face in the years ahead in different parts of the world.
By successfully operationalizing these advanced robotic and autonomous systems, the Navy is taking a significant step forward in its commitment to innovation, technological superiority, and the protection of international waters against evolving threats from transnational organized crime and other maritime security challenges.
This event in Key West, Florida highlights the strong partnership between the U.S. Navy, government experts, and industry leaders, showing how shared knowledge and resources can lead to smarter, faster, and more effective solutions for today’s complex security environment.
The integration of artificial intelligence with traditional naval power is proving to be a game-changing approach that makes operations safer for personnel, more efficient in terms of resources, and far more capable when facing dynamic and unpredictable threats on the high seas.
Through FLEX 2026, the United States Navy continues to demonstrate its unwavering dedication to staying ahead of potential adversaries by embracing the very best in modern technology while keeping human expertise and leadership at the heart of every mission.
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