Object
Vaughn’s IE Headquarters Security Intrusion Alarm
An electronic siren in Vaughn’s office designed to blare and alert security personnel to unauthorized entries, such as the Doctor’s. Triggers a search response and marks the Doctor’s defiant arrival, interrupting Vaughn’s delusions of control. Distinct from technical devices like communication monitors.
2 appearances
Purpose
Alerts Vaughn, Packer, and guards to intruders like the Doctor entering the building
Significance
Interrupts Vaughn's delusions of control over the Cybermen invasion, announces the Doctor's defiant arrival, and forces Vaughn to treat him as valuable 'insurance' rather than a target for elimination
Appearances in the Narrative
When this object appears and how it's used