The Estonian Volunteer Defense League (Kaitseliit) is a national defense organization in Estonia that focuses on volunteer military service. Established in 1918, it plays a crucial role in supporting the Estonian Defense Forces and enhancing national security through community involvement and training. Members of the league participate in various activities, including military training, disaster response, and civil defense. The organization promotes patriotism and prepares citizens to defend their country in times of crisis, fostering a strong sense of community and resilience among the population.