Children from the Niko-Niko Child Development Center, watch as an explosive ordnance disposal robot moves during a Military Child Appreciation Month showcase on Kadena Air Base, Japan, April 17, 2015. Approximately 150 children from the Niko-Niko CDC were able to experience military heavy construction equipment, explosive ordnance disposal robot and other equipment showcase by the 18th Civil Engineer Squadron. (U.S. Air Force photo by Naoto Anazawa)