Russian martial art based around relaxation and control without strict kata or form
Systema is a martial art of Russian origin in which much time is spent learning how to control your breathing and emotions in order to allow you better control over defence, attack and even recovery.
Offensively, much of the art is focused upon pressure points, body levers, and using the attackers momentum like aikido. It also focused on grappling, knives and firearms as well as hand-to-hand fighting.
It, like kravmaga is popular among police and security forces for it's efficiency and rapid teaching method.