This article analyzes the general information requirements of the US military in air combat. Taking the air strike against ground "Time Sensitive Targets (TST)" as an example, it sorts out the operational process and basic information requirements. Combined with the Link-16 system message family, it studies the information application process of each stage of air strike ground "time sensitive targets" combat, and provides an overall design process from operational application information requirements message process, Provide reference for the application research of combat information in our military information system.