A Djiboutian army soldier watches as his fellow soldiers learn to install a helmet night vision goggle mount during an NVG class in Arta, Djibouti, on March 25, 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.