The 104th Fighter Squadron is a unit of the United States Air Force, primarily known for its role in air combat. This squadron was established on December 15, 1941, making it one of the oldest active-duty units in the U.S. Air Force. The squadron has been deployed in various conflicts, including World War II, the Korean War, and more recently, in Afghanistan and Iraq. Throughout its history, the 104th Fighter Squadron has flown a variety of aircraft, such as the P-51 Mustang, the F-86 Sabre, and currently the F-15 Eagle. The squadron’s home base is located at Barnes Air National Guard Base in Westfield, Massachusetts, where it operates under the 104th Fighter Wing.