The 91st Air Refueling Squadron (ARS) is a unit within the U.S. Air Force’s Air Mobility Command (AMC). This squadron specializes in air refueling operations, enabling continuous combat air patrols, strategic movement of forces, and rapid global mobility. The squadron operates the Boeing KC-135 Stratotanker aircraft. The 91st ARS is stationed at McConnell Air Force Base, Kansas, contributing to the U.S. Air Force’s broader mission of power projection and defense support.