^Greece has only one level of Warrant Officer. According to the current issue (2021) of STANAG 2116, the Greek Warrant Officers are included in OR-9, however they are afforded the privileges of an officer. See STANAG 2116 note 29, page D-9
^"Διακριτικά" [Ranks]. haf.gr (in Greek). Hellenic Air Force. Retrieved 26 May 2021.