Iytean starship

An Iytean starship used by the Monitors, which was taking an Iytean criminal and his accomplices back to Iytea for trial, was forced to make an emergency landing on Earth around 3000 BC. It remained buried under what would later become London until 1883, when it was discovered by Jack Bannister and Bert Jenkins; it would go on to be extracted and possibly destroyed in 1885 by the Celestial Intervention Agency of Gallifrey, preventing any lasting impact on Earth history by the presence of this advanced technology.

Characteristics
Because the Iyteans didn't have much in the way of miniaturisation technology, 75% of the ship's interior was given over to "engines, fuel, and shielding". What was left, including the holding bay with the stasis pods as well as the control room and crew's quarters, was notably funished for humanoids of a size distinctly superior to humans, matching the size of the hosts the Monitors had been using. Near the lifeboat bay, there was an "emergency locker" containing energy-weapon-like "digging tools" which could vaporise inanimate matter, as well as "environmental suits" and other supplies. (GAME: )

History
In around 3000 BC, this Iytean police ship, crewed by three Monitor, was on its way back to the Prime World from the outer fringes of the Iytean Confederacy when it suffered a "major engine malfunction". The Monitors made an emergency landing in prehistoric England around 3000 BC. Finding that the damage was too extensive to repair without copious equipment and spare parts, they decided to use an enlarged digging tool to bury the ship with the prisoners still in stasis, while they went back to Iytea in one of the smaller "lifeboat" crafts to get reinforcements. Because of Iytea's scourging in the Anar-Isari wars, they never returned. (GAME: )

Eventually, the ship was unearthed in 1883 by Jack Bannister and Bert Jenkins, a pair of bank-robbers who had been tunneling under what was now Oxford Street to get to the vaults of the Capital and Counties Bank. Jenkins accidentally opened one of the stasis pods, allowing the main Iytean criminal to a hitch a ride back to the surface inside his body. (GAME: ) However, because it then abandoned his body for Henry Jellicoe's without his knowledge, Jenkins and Bannister did not realise the danger of what they'd unleashed. Instead, they simply kept their discovery a secret and periodically returned to it to retrieve minor items of Iytean technology, which they sold to wealthy collectors under the guise of exotic artefacts brought back from distant land; Colonel Malcolm Fraser, for example, believed them to be Atlantean artefacts. (GAME:, )

Eventually, the presence of alien technology in 19th century London attracted the attention of the Time Lord Celestial Intervention Agency, who dispatched Rollo and his companions to investigate. Landing in 1885, (GAME:, ) the time-travellers gradually unraveled the mystery which had accumulated around Jenkins and Bannister's endeavour, in part due to the machinations of the escaped Iytean. Desirous of a supply of chemicals which had remained within the starship, but unknowing of its location, the criminal, using the alias "Ned Hines", had killed one of Bannister's customers in an effort to get its location, and later fatally wounded Colonel Fraser for the same reason. (GAME:, )

In the end, his plans were foiled. Fearful of the starship being rediscovered and its technological marvels affecting established human scientific progress, the time-travellers made sure to dispose of it before they left the time-zone, whether by destroying it or by placing it in a time loop outside normal space-time. (GAME: )