The 390th Electronic Combat Squadron (390 ECS) is part of the 366th Fighter Wing at Mountain Home Air Force Base, Idaho. It operates E/A-18G aircraft conducting the electronic attack mission. The squadron was located at Naval Air Station Whidbey Island, Washington when they flew EA-6B Prowlers alongside VAQ-129, but the last flight of the unit in the Prowler took place on 9 July 2014 as the squadron transitioned to the E/A-18G Growler and moved to their new home.
