104th Fighter Wing Flyovers in Western Mass this Weekend and Next… The 104 th Fighter Wing based out of Barnes Air National Guard Base in Westfield will rev up the engines on their F-15C Eagle Aircraft and head into the sky to thrill the masses with flyovers on Sunday July 4 th and Saturday July 10 th. The scheduled flyovers will take place this Sunday the 4 th over Springfield at approximately 7:10 pm. There will be a crowd gathered in Springfield for the city’s annual fireworks display shot off from the Memorial Bridge. Viewing for the public will be ideal from Riverfront Park in Springfield.