Commander Air Force's mid-rank officers' ranks are modelled on those of the Royal Navy, the term wing commander is used as a rank, and this is the equivalent of a lieutenant colonel in the army or a commander in the navy. The rank of wing commander is above that of squadron leader and below that of group captain. In the former Royal Naval Air Service, which was merged with the Royal Flying Corps to form the Royal Air Force in 1918, the pilots held appointments as well as their normal ranks in the Royal Navy, and they wore insignia appropriate to
No. 3 (Royal Auxiliary Air Force) Police Squadron policing and security tasks on both deployed operating bases and in wider operational areas. There have been few Royal Air Force operations in the last 30 years which have not seen the deployment of RAF Police personnel including RAuxAF Police. 3 (Royal Auxiliary Air Force) Police Squadron is totally integrated into No: 3 Royal Air Force (Tactical) Police Wing structure. Much of its support comes from Wing level resources and, in turn, personnel can expect to work directly alongside their regular counterparts. Applicants to join are invited to attend the Squadron HQ at RAF Henlow for a half day selection