Object
David's Cable Sabotage Bombs
David reports three bombs remaining in his possession at the cliff edge overlooking the Dalek mine. The Doctor judges this number sufficient and assigns David and Susan to carry them across the crater lip, plant them on the vital cable connected to the Dalek mast, and detonate using David's revolver. Tyler stands nearby during the assignment, voicing doubts the Doctor ignores.
2 appearances
Purpose
Sever the Dalek cable anchoring their planet-moving mast by explosive detonation
Significance
Enable David and Susan's high-risk sabotage mission, central to the Doctor's strategy disrupting Dalek operations and heightening Susan's personal conflict between family loyalty and Earth ties
Appearances in the Narrative
When this object appears and how it's used