U.S. Marine Corps Sgt. Austin Gilkey, a Marine Security

U.S. Marine Corps Sgt. Austin Gilkey, a Marine Security Guard (MSG) watchstander, answers the phone during a drill at the Marine House inside the gates of the U.S. Embassy, Bamako, Mali, Aug. 29, 2016. The MSG program, run by the Marine Corps Embassy Security Group, has 175 Marine Corps Detachments throughout the world, providing protection to mission personnel and to prevent the compromise of national security information and equipment at designated diplomatic and consular facilities. (U.S. Marine Corps photo by Staff Sgt. Sarah R. Hickory)