U.S. Army Spc. Jonathan Gray, right, assigned to the

U.S. Army Spc. Jonathan Gray, right, assigned to the U.S. Army Network Enterprise Center Belgium, 39th Strategic Signal Battalion, checks his squad during a situational-training exercise for the Commander's Prime Time Training on Chièvres Air Base, Belgium, Dec. 6, 2017. (U.S. Army photo by Visual Information Specialist Pierre-Etienne Courtejoie)