"Section D" is the code-name given to the Counter-Terrorism Department of MI 5. The operations, missions and other efforts of this team to protect Great Britain are the focus of the series.
The Grid
The Grid is the name in which the personal of section D refer to their highly secure office suite at Thames House. The Grid is where the agent's desks, computers and other equipment is stores including the personal items of their cover identities.
To enter the Grid you need to go through one of the two "entrance pods" which are presumingly for security purposes, likely scanning personal for bugs, explosives or other dangerous items.
The grid also contains separate rooms including Harry's office, an detention centre for captured prisoners.
Known Members
Current Members
- Head of Department - Sir Harry Pearce KBE
- Chief of Section & Senior Case Officer - Erin Watts
- Junior Case Officer - Dimitri Levendis
- Junior Case Officer (Multi-Role) - Calum Reed
Former Members
- Chief of Section & Senior Case Officer - Tom Quinn (decommissioned)
- Chief of Section & Senior Case Officer - Adam Carter (deceased)
- Chief of Section & Senior Case Officer - Ros Myers (deceased)
- Chief of Section & Senior Case Officer - Lucas North (deceased)
- Junior Case Officer - Helen Flynn (deceased)
- Junior Case Officer - Zoe Reynolds (sent into hiding)
- Junior Case Officer - Danny Hunter (deceased)
- Junior Case Officer - Fiona Carter (deceased)
- Junior Case Officer - Zafar Younis (deceased)
- Junior Case Officer - Ben Kaplan (deceased)
- Junior Case Officer - Jo Portman (deceased)
- Junior Case Officer - Beth Bailey (decomissioned)
- Technician & Data Analyst - Colin Wells (deceased)
- Technician & Data Analyst - Malcolm Wynn-Jones (retired)
- Technician & Data Analyst - Tariq Masood (deceased)
- Administrative Officer - Sam Buxton (transferred)
- Administrative Officer - Jed Kelley (transferred)
- Senior Analyst - Connie James (deceased)
- Data Analyst - Ruth Evershed (left service deceased)
- Auntie May - Provided cover during "Divided They Fall". (deceased)