AF
217 EIS IL Air National Guard
U.S. Air Force
The 217th Engineering Installation Squadron (EIS) is a unit of the Illinois Air National Guard, based at the 183d Wing in Springfield, Illinois. Established in 1948, the squadron has provided critical communications and engineering support for both state and federal missions. The 217 EIS specializes in the installation, maintenance, and removal of communications and information systems infrastructure, deploying its personnel worldwide in support of U.S. Air Force operations. Over its history, the unit has supported numerous overseas contingencies, domestic emergencies, and joint-force exercises, earning recognition for its technical expertise and mission readiness.