 In addition, elements of the battalion augmented local authorities throughout the area, conducting patrols of evacuated neighborhoods and manning checkpoints.As a link to their progenitors of the 2d Infantry Regiment (California) in World War I, Montgomery Airfield is located two miles south of MCAS Miramar, which was previously named Camp Kearny.Camp Kearny was the site where many of the soldiers in the 2d Infantry Regiment (California) were mobilized and demobilized for service during World War I.