[[Category:th century| *]] [[Category:s| *]] [[Category:th century decades]] 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)
[[Category:th century| *]] [[Category:s| *]] [[Category:th century decades]] 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)