U.S. Army Staff Sgt. Juan Gomez, human resources

U.S. Army Staff Sgt. Juan Gomez, human resources noncommissioned officer with Headquarters and Headquarters Company, Allied Forces North Battalion, kneels to provide security to the right side of his patrol squad, in front of the cloud of a smoke grenade, as they practice a Standard Training Exercise (STX) in the Training Support Center Benelux Alliance Training Area on Chièvres Air Base, Chièvres, Belgium, June 11, 2015. (U.S. Army photo by Visual Information Specialist Pierre-Etienne Courtejoie/Released)