Abstract:Operational application and related technology research of underwater unmanned clusters are in high-speed development, unmanned cluster situation awareness is the basis of underwater unmanned cluster operation, and the important premise of cooperative combat and decision-making. The paper is based on the operational use of underwater unmanned cluster, and analyses the main problems in the process of cooperative situation generation, such as factor representation difficulty, target recognition difficulty, low accuracy of situational inference, situational awareness difficulty. At last, the paper puts forward the technical key points, which clarify the feasibility and implementation of the technology and provides ideas for the follow-up research.