The 122nd Fighter Squadron (122nd FS) is a unit of the Louisiana Air National Guard 159th Fighter Wing located at Naval Air Station Joint Reserve Base New Orleans, Louisiana. The 122nd is equipped with the F-15C/D Eagle. The squadron is a descendant organization of the 122d Observation Squadron, established on 30 July 1940. It is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II.