U.S. Army Soldiers assigned to Allied Forces North Battalion, kneel in a circular defensive position to protect the team during the squad training exercise (STX) at the Alliance Training Area (ATA), in Chièvres Air Base, Belgium, March 24, 2015. (U.S. Army photo by Visual information Specialist Pascal Demeuldre-Released) Focus of training was to re-enforce Warrior Tasks, and Battle Drills (WTBD) to include Nuclear, biological and chemical (NBC), Squad movement techniques, vehicle search, react to an IED, and to perform a 9-Line MEDEVAC.