Whitaker (The Fires Down Below)

Major Whitaker was a UNIT officer. In 1984, she was sent by Brigadier Lethbridge-Stewart to Reykjavik to investigate an unnatural increase in volcanic and seismic activity. After meeting with Dr Iskander, she and her team descended into an Icelandic volcano in search of the source of the disturbances, where they found the base of Dominator Haag and his Quarks. After learning of his plans to destroy Earth and take its core, they defeated him by turning his equipment against him, creating an explosion which destroyed the aliens and caused a volcanic eruption. (COMIC: The Fires Down Below)