
Throughout a thirty year career with the Shanghai Military Police, Fairbairn made an in depth study of almost every known form of close combat.


It is rooted in the harsh and brutal realities of real world violence. It is a hand to close-quarter, hand-to-hand combat system based on jujutsu that was developed to train the Shanghai Municipal Police, and was later taught in expanded form to Office of Strategic Services (OSS) and Special Operations Executive (SOE) members during World War II. Defendu is a modern martial art developed in England by Lt.
