| 2673年的时间线 |
• 2668年 • 2670年 • 2672年 |
In 2673, invaders were found on Tairngire. The CSS Broadsword was assigned to investigate how they had infiltrated the colony and discovered the root of the problem was a sentient asteroid called Umbra. Broadsword, with the Seventh Doctor's help, disabled Umbra. (PROSE: Shadowmind)