U.S. Army Reserve Spc. Nathan Mayfield, motor transport operator, 369th Transportation Company, poses for a portrait during Operation Cold Steel III at Fort Hunter Liggett, Calif., Feb. 13, 2019. Operation Cold Steel III trains and qualifies Army Reserve Soldiers on M2 .50 caliber machine guns, M19 40 mm automatic grenade launchers and M240 7.62 mm machine guns weapons systems in ground and mounted military vehicles, in order to provide lethal and combat ready units ready to deploy anywhere in the world. (U.S. Army Reserve photo by Sgt. Heather Doppke/79th Theater Sustainment Command)