ISR is also known as ISR-Matrix, It is a tactical system based on the actual combat and training needs of military and police units. The concept of establishment is based on providing a set of effective solutions in the line of duty on escalation and deescalation the usage of force, modular combat maneuvers etc, At the same time, it can solve the problems encountered by military and police units during training, such as low training motivation and injuries caused by training safety issues. Since its establishment, ISR has been widely adopted by US military and police units on a large scale, including police forces, SWAT units, undercover officers, DEA agents etc. In 2015, ISR began to share this practical and efficient tactical system worldwide. They also conducted training with international law enforcement academy，law enforcement units in Germany, Iceland, Australia, and other countries.