The Estonian Defence League (Kaitseliit) is a voluntary national defense organization in Estonia. Established in 1918, it aims to support the military and enhance national security through civilian participation. Members engage in training, community service, and disaster response, fostering a sense of responsibility and readiness among citizens. The organization operates under the Estonian Ministry of Defence and collaborates with the Estonian Defence Forces. It consists of various units, including infantry, medical, and support teams, allowing individuals to contribute based on their skills and interests. The Estonian Defence League plays a crucial role in promoting resilience and patriotism within the country.