The 131st Fighter Wing is a unit of the United States Air Force, primarily composed of the Air National Guard. Headquartered at Barnes Air National Guard Base in Westfield, Massachusetts, it operates under the Air Mobility Command. Its mission includes air defense and homeland security, with operational capabilities that include the F-15C Eagle fighter aircraft. The 131st Fighter Wing’s history dates back to 1926, making it one of the oldest military aviation units in the U.S. Air National Guard. Throughout its history, it has seen active duty during major conflicts, such as World War II, the Korean War, and Operation Enduring Freedom.