Counter Terrorism Command (CTC) or SO15 is a Specialist Operations branch within London's Metropolitan Police Service.
It consisted of just 12 detectives aiming to defeat the "Fenian" terrorist campaign that had been on-going in London and across the country.
As of November 2013 the current form of CTC comprised 1790 staff including 1350 police officers and 600 detectives working in 75 specialist units with the capability to respond proactively or reactively anywhere in the world.
[2][3] It is overseen by the counter-terrorism coordination committee, chaired by Assistant Commissioner Matt Jukes of the Metropolitan Police Service.
[2] As part of its role in the Counter Terrorism Policing network, SO15 operate against the threat of terrorism at a local, national, and international level and engages with a range of partners to prevent terrorist related activity, including the Security Service (MI5) and Secret Intelligence Service (MI6).