From June 27 to 28, hunan Provincial Fire rescue corps held a trans-regional communication support exercise in Shanyue Karst Cave water rescue in Shuihuan Four men and Huanglong Cave, Wulingyuan District, Zhangjiajie city.  Under the unified dispatch and command of Hunan Fire rescue Corps, zhangjiajie city and Xiangxi Autonomous Prefecture fire rescue detachment carried out eight practical exercises, including uav fixed-point precise casting cliff rescue and cave rescue video communication guarantee. 

Pulled the mountain water-eroded cave relief cross-regional communication security practice, according to the network, as people walk, don't interrupt, talents, hear, see clearly, can figure, can analysis "of emergency communication requirements, focus on emergency communication in alpine valleys, pit cave environment" three "broken cases of problems existing in the security in actual combat, to carry out targeted in actual combat,  The combat readiness consciousness of the emergency communication support team has been practically improved, the foundation of communication work in rescue mission has been consolidated, the combat experience has been enhanced, and the effectiveness of communication combat has been tested.