Spc. Devin Greenway, a military policeman with Company A, 49th Missile Defense Battalion, takes notes from the prior shift through a changeover during Exercise Guardian Watch at Fort Greely, Alaska, Nov. 1, 2022. Guardian Watch 23 focused on conducting ground-based midcourse Defense and critical installations security, which are the two missions of the 49th Missile Defense Battalion. (Alaska National Guard photo by Staff Sgt. Katie Mazos-Vega)