A Djiboutian army soldier is shown a night vision helmet mount by U.S. Marine Cpl. Charles Carrol, 1st Battalion, 2nd Marine Division, during an NVG class in Arta, Djibouti, on March 23, 2012. The U.S. Army's 3rd Squadron, 124th Cavalry Regiment, deployed in support of Combined Joint Task Force - Horn of Africa (CJTF-HOA), is helping train Djiboutian army soldiers for an upcoming deployment to Somalia.