Kaitseliit is the Estonian Defense League, a voluntary national defense organization established in 1918. Its primary purpose is to support the Estonian Defense Forces and enhance national security through community involvement and training. Members participate in various activities, including military training, disaster response, and civil defense. The organization is open to all Estonian citizens and emphasizes the importance of civic duty and preparedness. Kaitseliit operates in regional units, allowing local communities to engage in defense initiatives. This grassroots approach fosters a strong sense of national identity and resilience among the population.