90 Signals Unit falls under the Support Force.  It was formed on the 1 April 2006 bringing together existing Air Combat Service Support Units charged with communications related tasks; this includes:

The perform communications tasks to prepare, deploy, sustain and recover information services for multi-domain operations and exercises.  This secures Air’s cyber terrain and digital services to improve operational and corporate effectiveness with the use of technology.


To enable Air and Space power by generating freedom of action and mission assurance in cyberspace. 


To deliver information advantage for the Next Generation Royal Air Force.


90 Signals Unit, RAF Leeming, Northallerton, DL7 9NJ.

Officer Commanding

Group Captain Ola Fashade BEng MBA MSc MA CEng RAF

Group Captain Ola Fashade BEng MBA MSc MA CEng RAF Gp Capt Ola ‘Fash’ FASHADE was born in North London and commissioned into the Royal Air Force in 1998 after completing a degree in Electrical and Electronics Engineering from Brunel University. Early command appointments include as the Engineering Officer at RAF Bentley Priory on Air Defence Systems and with the Tactical Communications Wing and 90 Signals Unit where he provided communications services to multiple Air/Joint operations and exercises globally.

He commanded RAF Wyton, a component of the Joint Force Intelligence Group, between 2014-2015 and assumed command of 90 Signals Unit in July 22. Operational deployments include several operational tours of the Middle East and South Asia whilst with the Tactical Communications Wing, secondment to 52 (Infantry) Brigade deployed to Helmand Province, planning, and executing Influence Operations across the Province and command of the Joint Force Communications and Information Systems Group, based in Qatar, working with coalition partners to provide integrated communications services for all UK Forces operating in the Middle East.

His most recent operational tour was on secondment to the US 101st Airborne Division, based in Baghdad, where he planned and executed multi-domain non-lethal operations. A graduate of the Advanced Command and Staff course (2014), he has served on the Staff of both Headquarters Air Command and the Permanent Joint Headquarters planning, directing and supporting the delivery of communications services necessary to enable Air and Joint operations and commitments. He also served as the Military Assistant to Director Information Superiority and Air Member for Equipment Capability and as a Programme Director within Defence Digital, managing a £1.4Bn equipment programme on behalf of the 3 services.