COMA is based on Sambo, a Russian self-defense system that translates as an acronym for self-defense without weapons. This system has its roots in Judo, which has its roots in Jiu-Jitsu. Since Sambo was adopted by the Red Army, it has combined many different techniques including grabs, throws, wrestling, punching, striking, working with weapons, and fighting multiple opponents.
There are two main godfathers of Sambo. The first was a World War I soldier named Victor Spiridonov. Suffering from a bayonet wound to the hand, he needed to figure out how to optimize his Judo training in way that would work more effectively for his needs. This is why a lot of the techniques in Sambo allow you to work with one hand or use leverage from angles.
The second was a man named Vasiliy Oshepkov. Some students learned from one master and some from the other, and when they interacted with each other on the battlefield, they shared their knowledge and techniques; this is how the
