Soldiers of the U.S. Army's 23rd chemical battalion put on their gear during a ceremony in Uijeongbu

Soldiers of the U.S. Army’s 23rd chemical battalion put on their gear during a ceremony in Uijeongbu

US Army 23rd chemical battalion soldiers put on their gear in South Korea, where America maintains nearly 30,000 troops, in a Reuters file photo from April 2013.

March 20, 2017 3:18 PM (UTC+8)