yöllekäyksille
Yöllekäyksille is a Finnish term used in historical and military discussions to refer to nighttime raids conducted to achieve surprise against an adversary. The expression is most often encountered in Finnish-language sources describing operations carried out under cover of darkness, with an emphasis on stealth, rapid movement, and brief engagements. In military historiography, yöllekäyksille is used to discuss tactics intended to disrupt enemy capabilities such as logistics, reconnaissance, or small unit defenses.
Operational characteristics commonly associated with yöllekäyksille include small, mobile units, careful planning, and the use of
Ethical and legal considerations are central to analyses of yöllekäyksille. International humanitarian law emphasizes the protection
See also: Night assault, Ambush, Guerrilla warfare, Special operations.