Fort Sill Army Post is a United States Army installation located in Lawton, Oklahoma. Established in 1869, it serves as a key training center for artillery and air defense. The post is home to the Field Artillery School and the Army Air Defense Artillery School, providing essential training for soldiers. The fort has a rich history, including its role in the Indian Wars and World War II. It is also known for the Geronimo Memorial, honoring the famous Apache leader. Today, Fort Sill continues to support military readiness and community engagement through various programs and events.