SOUTH DAKOTA Affected BRAC 2005 Locations Ellsworth Air Force Base Joe Foss Field Air Guard Station Ellsworth Air Force Base No BRAC actions. Joe Foss Field Air Guard Station The Air National Guard is responsible for Joe Foss Field Air Guard Station (AGS), SD. Realign Joe Foss AGS through the following actions: 1. Establish 18 Primary Aircraft Authorization F-16 aircraft at the 114th Fighter Wing, Joe Foss Field Air Guard Station. 2. Relocate base-level F-110 intermediate maintenance from Joe Foss Field AGS to Capital AGS, IL, to establish an F-110 Engine Centralized Intermediate Repair Facility.