131st Fighter Squadron

131st Fighter Squadron
131st FS McDonnell Douglas F-15C 85-0125 landing at Bodø Main Air Station, Norway, 2019
Active1942–1946; 1946–present
Country United States
Allegiance Massachusetts
Branch  Air National Guard
TypeSquadron
RoleFighter
Part ofMassachusetts Air National Guard
Garrison/HQBarnes Air National Guard Base, Westfield, Massachusetts
Nickname(s)Barnestormers
EngagementsPacific Ocean Theater
DecorationsAir Force Outstanding Unit Award
Insignia
131st Fighter Squadron emblem
131st Fighter-Interceptor Squadron emblem
333d Fighter Squadron emblem
Tail CodeMA Red tail stripe

The 131st Fighter Squadron (131 FS), nicknamed the Barnestormers, is a unit of the Massachusetts Air National Guard 104th Fighter Wing located at Barnes Air National Guard Base, Westfield, Massachusetts. The 131st is equipped with the McDonnell Douglas F-15C/D Eagle, and is due to convert to the Lockheed Martin F-35A Lightning II in June 2026.