The article discusses the challenges and tactics of singleton Close Quarters Battle (CQB), a situation where only one person is involved in clearing a building or structure. The author presents singleton CQB as an inherently dangerous endeavor that should be avoided if possible. The text explains different types of room configurations, entry methods, and movement tactics, emphasizing the need for a careful and deliberate approach. Unpredictability and dilemmas are a part of singleton CQB and decisions often need to be based on intuition, available indications and the value of the objective.