The 138th Fighter Wing is a unit of the United States Air Force, specifically part of the Air National Guard. Located at Barksdale Air Force Base in Louisiana, it operates primarily the F-15C/D Eagle fighter aircraft for air defense and air superiority missions. As an Air National Guard wing, its personnel serve both state and federal missions when activated. The 138th Fighter Wing is one of several operational fighter wings within the U.S. Air National Guard, contributing to the broader mission of ensuring the readiness and capabilities of the U.S. Air Force.