Improving autonomous navigation and countermeasures of unmanned vessels through artificial intelligence is a complex and strategically significant task. Here are some possible ways to enhance the maritime combat capabilities of unmanned vessels: 1. **Machine learning and deep learning technologies**: Use these technologies to analyze large amounts of data about the navigation environment so that unmanned vessels can autonomously adapt to changing conditions. This can include identifying obstacles at sea, predicting weather and water current changes, etc. 2. **Sensor fusion**: Combine various types of sensor data (such as radar, sonar, optical cameras, and infrared cameras), use AI algorithms for data fusion, provide more comprehensive environmental perception capabilities, and help ships make real-time decisions. 3. **Path planning and obstacle avoidance**: Develop intelligent path planning algorithms to ensure that ships can navigate safely and efficiently in complex sea conditions. These algorithms can be continuously optimized through simulation learning and reinforcement learning. 4. **Automatic collaborative operation**: Use multi-agent systems to enable multiple unmanned vessels to work together to complete complex tasks or form a joint advantage in tactics. 5. **Adaptive countermeasure strategy**: AI technology can help unmanned ships autonomously generate or adjust countermeasure strategies. This includes electronic countermeasures, signal jamming, and decoy strategies, which can respond quickly when faced with hostile threats. 6. **Real-time data analysis and decision support**: Through the combination of edge computing and cloud computing, various sensor data are analyzed in real time and decision support is provided to commanders. 7. **Autonomous health monitoring and maintenance**: Use AI to monitor the health status of ship systems, predict and prevent equipment failures, increase autonomy and reduce human intervention. 8. **Cybersecurity**: Strengthen the cybersecurity of unmanned ships to protect their communications and control systems from cyber attacks, which can be achieved using AI's intrusion detection system. 9. **Simulation and simulation training**: Use advanced simulation technology and artificial intelligence for simulation training to improve the adaptability and autonomous decision-making ability of ships in various environments and scenarios. The comprehensive application of these artificial intelligence technologies can significantly enhance the autonomous decision-making and combat capabilities of unmanned ships, enabling them to remain competitive in complex and changing maritime combat environments.