Military rank Typical army and marine field officer ranks include colonel , lieutenant colonel, major and, in the British army, captains holding an adjutant's appointment. In many Commonwealth countries the field rank of brigadier is used, although it fills the position held by brigadier general in other countries. Naval and coast guard senior officer ranks include captain and commander. In some countries, the more senior rank of commodore is also included. In others lieutenant-commanders, as equivalents to army and marine majors, are considered senior officers. Commonwealth air force senior officer ranks include group captain, wing commander, and squadron leader, where such ranks
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