Charybdis IX (Earth-5875)

Charybdis IX was a human Outer colony governed by the UEG, in the Charybdis system. Its capital was the industrial city Scyllion.

Riots
Scyllion, the capital of Charybdis IX, was a small mining city, controlled by three different corporations that ran the supplies and rations of the population. The colony had a long history of political turmoil ever since its founding, including the threat of Insurrectionists. In 2534, the Office of Naval Intelligence recommended the UNSC to implement martial law in the colony, but the UNSC was unable to do it with the outbreak of the First Contact War. While initially only overseeing the growing dissent, ONI took action once it was discovered the local Insurrectionists were using stolen Covenant weapons.

In 2535, ONI performed a joint operation with the UNSC Navy, becoming one of then-Lieutenant Jacob Keyes' first missions. The Insurrectionists were able to discover the location of the ONI command center and went to attack it with heavy weapons. Keyes and all surviving ONI agents escaped from the building to be evacuated by ODST support.

Battle of Charybdis IX
Hours after the riots, the surviving UNSC personnel were transported to the UNSC Midsummer Night, only for the Covenant Fleet of Sacred Consecration to arrive in the Charybdis system and start attacking the colony, which they discovered after tracking down information from the Covenant weapons used by the human Insurrectionists. The Night was able to flee from the system while the local defense fleet engaged the Covenant forces. The fleet's Punic-class supercarrier was disabled and boarded by Zealot Thel 'Vadamee during the battle. Charybdis IX was then glassed and rendered lifeless by the Covenant, prompting the UNSC to abandon the planet.

Trivia

 * The colony was named after Charybdis, who in Greek mythology was a nymph and the daughter of Poseidon.