The 118th Wing ANG (Air National Guard) is a unit of the United States Air Force under the Air National Guard (ANG). It serves as both a reserve and state military force, operating primarily from its headquarters stationed at Westfield Barnes Regional Airport in Westfield, Massachusetts. The wing's mission includes air defense, homeland security, disaster relief operations, and support for federal missions when called upon. It operates a fleet of F-15 Eagles as part of the Air Combat Command (ACC), playing a crucial role in the national defense strategy of the U.S. The 118th Wing ANG is part of the New England Air National Guard, and its subordinate units include various aircraft maintenance, communications, logistics, and support groups.