1st Air Support Operations Group The 1st Air Support Operations Group, based at Joint Base Lewis-McChord, Wash., directs four squadrons operating from 11 locations in Washington, Alaska, Hawaii and Japan. The group provides an Air Support Operations Center, Tactical Air Control Parties and Battlefield Weather Teams to Army combat units at multiple echelons including United States Army Pacific, I Corps, and nine aviation, airborne, infantry and Stryker brigade combat teams of the 2nd and 25th Infantry Divisions. The 1st Weather Squadron provides operational and staff weather services for Army combat units across the Pacific Command area of responsibility. In addition, they train and maintain combat readiness for worldwide battlefield weather deployments. The groups Air Liaison Officers and Joint Terminal Attack Controllers advise Army commanders and staffs on all aspects of joint airpower employment, integrating and synchronizing close air support, air mobility, and intelligence surveillance and reconnaissance capabilities into strategy, plans, and operations. The 1st ASOG was administratively assigned to the 354th Fighter Wing, Eielson Air Force Base, Alaska, on Oct. 1, 2012.