U.S. Army Soldiers from the 2nd Battalion, 1st Infantry Regiment, 2nd Stryker Brigade Combat Team, 2nd Infantry Division from Joint Base Lewis-McChord, Wash., and Japan Ground Self-Defense Force members from 11th Infantry Regiment, 7th Armor Division, Northern Army exchange techniques used to protect and decontaminate personnel and equipment in the event of chemical exposure here, Oct. 28. The units are participating in Orient Shield 14, Oct. 27 – Nov. 7.