Stock Photo Description: Members of the U.S. Marines 9th Provisional Security Forces, from Combined Joint Task Force-Horn of Africa participate in Physical Training, on the last day of a Corporals Course here on Camp Lemonier, Djibouti, Jan. 29, 2008. The Corporals Course is a two week course, the main goal is developing the leadership skills of the Marine Corporals by providing them with current tools and information to be an effective leader in today's Marine Corps. Stock photography by Department of Defense Public Domain.