Donning a Mask A soldier dons an M50 chemical mask as a part of a Patriot missile system certification training exercise at Kadena Air Base in Japan, Oct. 17, 2017. Army photo by Capt. Adan Cazarez SHARE: Download: Full Size (1.08 MB) Tags: Pacific Command, Soldiers, Army, training, Pacom Credit: Capt. Adan Cazarez VIRIN: 171017-A-IA862-040.JPG Photo Gallery