Squadron 422nd Security Forces Squadron See also List of Royal Air Force stations References External links Croughton Watch – campaign group RAF Croughton Alumni Site Earth stations in England Installations of the United States Air Force in the United Kingdom Military airbases established in 1938 Royal Air Force stations in Northamptonshire Royal Air Force stations in Oxfordshire Royal Air Force stations of World War II in the United Kingdom Science and technology in Northamptonshire West Northamptonshire District Transatlantic telecommunications 1938 establishments in England UKUSA listening stations