The 67th Special Operation Squadron, nicknamed the Night Owls, is an active United States Air Force unit operating the Lockheed MC-130J Commando II. It is based at RAF Mildenhall, Suffolk, in the United Kingdom and assigned to the 752d Special Operations Group. It was originally activated at RAF Sculthorpe in 1952, transferred to Morón Air Base in Spain in 1966, relocated to RAF Woodbridge, Suffolk, in 1970, transferred to RAF Alconbury, Cambridgeshire in 1992 and, finally, moved to RAF Mildenhall in 1995. The 67th SOS is tasked with flying single or multi-ship low-level air refueling missions for special operations helicopters, infiltration, exfiltration and resupply of special operations forces by airdrop or airland.

Royal Air Force Mildenhall, or more simply RAF Mildenhall, is a Royal Air Force station located near Mildenhall in Suffolk, England. Despite its status as a Royal Air Force station, it primarily supports United States Air Force (USAF) operations, and is currently the home of the 100th Air Refueling Wing.