No. 90 Signals Unit RAF
| No. 90 Signals Unit | |
|---|---|
| Active | 1 April 2006 – present | 
| Country | United Kingdom | 
| Branch | Royal Air Force | 
| Type | Air Combat Service Support unit | 
| Role | Information and communication services | 
| Size | 900+ personnel | 
| Home station | RAF Leeming | 
| Motto(s) | Aetherem vincere (Latin for 'Conquer the upper air') | 
| Website | Official website | 
| Commanders | |
| Current commander | Group Captain Andrew Colley | 
| Insignia | |
| Unit badge | A Royal Blue stag wearing an ethereal crown around its neck. | 
90 Signals Unit (90 SU) is based at RAF Leeming, North Yorkshire and provides information and communication services to deployed units of the Royal Air Force.