 <translate> Context: Warrant Officer of the Air Force (WOFF-AF) is the most senior Warrant Officer in the Royal Australian Air Force (RAAF). It is a singular appointment -- it is only held by one person at any time. The special insignia for the WOFF-AF is the Australian coat of arms with a wreath around it. The current Warrant Officer of the Air Force is Robert Swanwick.

Question: what is a warrant officer in air force?
Steam of consciousness below:
 <yor> Àwọn ojúewé wọ̀nyí jápọ̀ mọ́ Àdàkọ:Warrant Officer of the Air Force: Àkànṣe ìyànsípò ni - ẹnì kan ṣoṣo ló lè ṣe é lákòókò kan. Àmì àkànṣe fún WOFF-AF ni àmì ọ̀pá àṣẹ ilẹ̀ Ọsirélíà pẹ̀lú òdòdó ẹ̀yẹ yí i ká. Ọ̀gá àgbà àwọn ọmọ ogun òfuurufú nísinsìnyí ni Robert Swanwick.  Ìbéèrè: kí ni ọ̀gá àgbà nínú ẹgbẹ́ ológun ojú òfuurufú? Ìrì ìmọ̀lára ní ìsàlẹ̀: 