The 109th Airlift Squadron (109 AS) is a unit of the Minnesota Air National Guard 133d Airlift Wing located at Minneapolis–Saint Paul Joint Air Reserve Station, Minnesota. The squadron is equipped with the C-130H Hercules. The 109th AS is the oldest unit in the Minnesota Air National Guard, having over 90 years of service to the state and nation. It is a descendant organization of the World War I 109th Aero Squadron, established on 27 August 1917. It was reformed on 17 January 1921, as the 109th Observation Squadron, being the first of 29 National Guard aviation squadrons to receive federal recognition following World War I.