The tutorial describes the purpose, tasks, methods of conducting engineering reconnaissance of the enemy, terrain and objects, requirements for it, purpose, composition, equipment, procedure. Particular attention is paid to the tactics of engineering reconnaissance units, the actions of settlement numbers, reconnaissance of the enemy, terrain and objects in special conditions, including the experience of military operations in armed conflicts. The scientific and methodological methods of the manual are based on a combination of simplicity and accessibility of the presentation of the material with illustrations and diagrams that contribute to its better assimilation and memorization.