Spc. Christopher Mosen, a military policeman with 113th Military Police Company, Mississippi Army National Guard pulls security on a patrol around the missile defense complex during Exercise Guardian Watch 23 at Fort Greely, Alaska, Oct. 31, 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)