Ключевые слова: army fortification, battlefield structure, camouflage sandbags, checkpoint barrier, civil defense, combat barrier, combat readiness, crisis response, defense line, defensive structure, emergency defense, field barricade, field fortification, flood barrier, fortified position, frontline protection, frontline shelter, improvised shield, military defense, military operations, perimeter security, protection strategy, protective measure, protective wall, sandbag bunker, sandbag pile, sandbag protection, sandbag reinforcement, sandbag wall, security measure, security zone, stacked defense, stacked sandbags, tactical barrier, tactical cover, temporary wall, trench defense, urban warfare, wartime protection, white sandbags,