The 186th Air Refueling Wing (186 ARW) is a unit of the United States Air Force (USAF). It falls under the jurisdiction of the Illinois Air National Guard and is stationed at Scott Air Force Base, Illinois. The primary mission of the 186 ARW is strategic airlift and air refueling operations in support of national defense needs. These tasks involve providing mid-air fuel to military aircraft, as well as transporting personnel and cargo over long distances. The unit's aircraft fleet includes KC-135R Stratotankers, which are strategically vital assets for extended-range aerial refueling missions. The 186 ARW also provides support during natural disasters, contributes to humanitarian aid efforts, and maintains readiness in times of war or conflict.