Abstract: The space-air-ground integrated network (SAGIN) is a neural network for command and control in the information age and also is the platform of information gathering, transmitting and processing. The self-interference and external malicious interference in SAGINs can block and destroy communication links, thereby affecting command and control. This paper gives the network architecture in the countermeasure scenario, and analyzes the existing researches of cooperative anti-jamming methods. Then, three key technologies are presented to address communication interference: dynamic control of network topology, intelligent optimization of communication resources, as well as joint optimization of communication and control technologies. Finally, future directions and challenges are discussed.