CAMP NIHONBARA, Japan (March 20, 2021) Hospital Corpsman 2nd Class Jefferson Chua with Marine Wing Support Squadron (MWSS) 171 explains how to insert an IV needle during a medical training exercise at Japan Ground Self-Defense Force Camp Nihonbara, Japan, March 20, 2021. Marines and sailors with MWSS-171 are participating in a two-week field exercise to hone their skills in setting up a forward operating base, a forward arming and refueling point, and conducting mounted live fire events. (U.S. Marine Corps photo by Cpl. Jackson Ricker)