Close Quarters Marksmanship (CQM) refers to engaging a target with firearms accurately, using decisive points of aim rapidly and efficiently. These methods are developed in a training environment, focused on fundamental principles and combat proven techniques, to be later implemented in scenario based and real world application following the base principles of speed, silence and violence of action during CQB.
Close Quarters Combat (CQC) refers to offensive and defensive techniques for fighting unarmed or with non-projectile weapons. These engagements are typically in limited or confined spaces, often with two or more contained within a space normally occupied by one. This term often is used in place of CQB as the term "combat" infers military style tactics to close in with fire and maneuver.
Close Quarters Battle (CQB) refers to the use of maneuver elements, often in limited or combined spaces, to attack, occupy and/or defend structures in and around built up areas, although application is used in different environments. Scenario based CQB training provides for consistency of instruction and management.
It is important to have an experienced instructor, who utilizes modules of classroom instruction, practical exercise and scenario based evaluation using the crawl, walk, run method of several weeks or months. As this requires significant training in order to attain proficiency and operate safely.