U.S. Marines participate in physical training on the last day of a corporals course on Camp Lemonier, Djibouti, Jan. 29, 2008.

The Marines are assigned to 9th Provisional Security Forces, Combined Joint Task Force-Horn of Africa.

The goal of the two-week course is developing the leadership skills of the corporals.

U.S. Air Force Photo by Staff Sgt. Joseph L. Swafford Jr.