Space Security Service

The Space Security Service was a force used circa 4000 in order to gather intelligence relevant to the safety of the Solar System and, when necessary, eliminate threats to that safety, such as the Daleks. It had its headquarters in Central City on Earth. (DW: The Daleks' Master Plan)

Agents wore uniforms and carried blasters. One agent, Marc Cory, carried with him two documents, one giving him license to kill, the other the power to enlist any person to aid him in his mission. This included civilians. (DW: Mission to the Unknown)

Bret Vyon, Kert Gantry and Vyon's sister, Sara Kingdom also belonged to the Serivce, Kingdom following the direct orders of Mavic Chen, the Guardian of the Solar System. (DW: The Daleks' Master Plan)