| 108th Air Refueling Squadron | |
|---|---|
 108th Air Refueling Squadron – Boeing KC-135A-BN Stratotanker 59-1487 being prepared to go on permanent static display in 1976 SAC livery | |
| Active | 27 August 1917 – present |
| Country |  United States |
| Allegiance |  Illinois |
| Branch |  Air National Guard |
| Role | Air Refueling |
| Size | Squadron |
| Part of | Illinois Air National Guard |
| Garrison/HQ | Scott Air Force Base, Belleville, Illinois |
| Nickname(s) | "Mid America Militia" |
| Tail Code | White tail stripe "Illinois" in blue letters |
| Commanders | |
| Lt Col | Steven Olson |
| Insignia | |
| 108th Air Refueling Squadron emblem |  |
The 108th Air Refueling Squadron (108 ARS) is a unit of the Illinois Air National Guard 126th Air Refueling Wing located at Scott Air Force Base, Belleville, Illinois. The 108th is equipped with the KC-135R Stratotanker.
The squadron is a descendant organization of the World War I 108th Aero Squadron, established on 27 August 1917. It was reformed on 1 July 1927, as the 108th Observation Squadron, and is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II.