No. 396 Expeditionary Combat Support Wing (396 ECSW) is a ground support wing of the Royal Australian Air Force (RAAF). Part of the Combat Support Group, it is responsible for the provision of combat and base support services and maintains the RAAF's "bare bases" at Weipa, Exmouth and Derby in the northern part of Australia's airspace. The wing consists of three expeditionary combat support squadrons, one combat support squadron, an operations support squadron, a combat logistics squadron and two support units, which are located at various bases all around Australia, and in Malaysia at RAAF Butterworth.