Sgt. Hector Lespier, assigned to A Battery, 1st Battalion,

Sgt. Hector Lespier, assigned to A Battery, 1st Battalion, 38th Field Artillery Regiment, 210th Fires Brigade, 2nd Infantry Division, monitors decontamination of his fellow Soldier with the joint chemical agent detector to determine whether he can take the mask off during the decontamination training at Saint Barbara’s Training Area in Paju, South Korea, May 13–17, 2013. Soldiers asigned to 1st Battalion, 38th FA and 23rd Chemical Battalion will train with the Republic of Korea Army 9th Division, 26th Regiment, and test their systems and capabilities together to increase their preparedness to respond to chemical, biological, radiological and nuclear threats. . (U.S. Army photo by Staff Sgt. Carlos R. Davis/Released)