The 113th Operations Group is a flying group of the United States Air Force. It provides air sovereignty forces to defend District of Columbia and also provides fighter, airlift and support forces capable of local, national and global employment. The 121st Fighter Squadron of the 113th Operations Group, is a descendant organization of the 121st Observation Squadron, established on 10 July 1940. It is one of the National Guard observation squadrons formed before World War II