Staff Sgt. David Colon-Long, native of Green Bay, Wis.,

Staff Sgt. David Colon-Long, native of Green Bay, Wis., Chemical, Biological, Radiological, and Nuclear specialist, assigned to Headquarters and Headquarters Battery, 210th Field Artillery Brigade, 2nd Infantry Division/ROK-U.S. Combined Division, dons his Joint Service Lightweight Integrated Suit Technology training set to demonstrate its proper wear and fit in front of a group of Soldiers during Sergeants Time Training, March 28, 2019, Camp Casey, Republic of Korea. Colon led the instruction for a group of 210th FAB Soldiers preparing for the upcoming 2ID Best Warrior Competition, April 15-19. (U.S. Army photo by Capt. Daniel Parker)