 The Scout Leader's Course (formerly the Army Reconnaissance Course or ARC) is to train reconnaissance and security leaders to develop advanced skills of R&S, develop skills to better understand the commander’s information requirements, to communicate battlefield information, and to develop understanding of employing supporting assets while maneuvering a scout platoon in a combined arms unit.The Simulations Training Management Course (STMC) trains soldiers assigned to armor brigade combat teams and Stryker brigade combat teams to manage simulation training for stabilized and mounted machine gun platforms.Initial training includes mounted machine gun gunnery scenario development utilizing the Engagement Skills Trainer (EST).