The Carpattian Mountains. Ghost, Soap, Gaz, Alejandro and Price were aboard a Miltary Train, on a mission to capture Armièr Préznez, the Earth's Administrator after the UCE took over. They were in the Assasin Brotherhood, and they felt that The United Confederacy of Earth has many secrets aboard this train, and they might even be Allied with the Templar Order, and He was at the last train cart, which was armored and made into an Office. And you were pulling the strings behind the scenes.