Close Quarter Battle (CQB) It is a type of combat that is usually occurring in a confined spaces such as building and urban places which involves engaging the enemies at a very close range. Typically the distance is just an arm's reach where the traditional Firearms and tactics might be less effective. This is also designed to direct action or precision raid missions who have completed a Direct Action Pre-Shoot Course. The three principles of CQB are: (1) Surprise, (2) Speed, and (3) Controlled