Auxiliary Field Six is the site of Camp James E. Rudder and the home of the Army's 6th Ranger Training Battalion. The 6th RTB conducts the final phase of the U.S. Army Ranger Course. The entire course is 61 days in length and is divided into three phases. Each phase is conducted at different geographical and environmental locations. Its mission at Eglin is to expose Ranger students to a fast-paced, 18 day field training exercise.