The Foreign Hazard Duty was a military task force assembled at some point in Earth's future history. They were called in to crisis scenes on foreign planets. The idea of a Foreign Hazard Duty was first considered by the newly promoted Colonel Muriel Frost near the end of the 20th century as a possible replacement for UNIT. (COMIC: The Mark of Mandragora) An FHD team under Captain Geoff Monmouth was sent to guard important ruins on Aleph 777 from the Sontarans. As the Sontarans were sent to guard it from the humans, both sides were caught in a violent stalemate. (COMIC: Conflict of Interests)