Cai Undo is a small city located in Angola where Wong Hu Chan and his scientists are working on a secret project called the Ion Cannon. Nod has to assassinate him before the research is fully complete by the other scientists.
First Tiberium War[edit | edit source]
In a late middle of the First Tiberium War, Kane orders the assassination of Wong Hu Chan who is working on a project known as the Ion Cannon. The Nod assassins infiltrated the outskirts of Cai Undo and past GDI forces guarding the research center and their main base led by the GDI Commander in charge of Cai Undo, while his superior of Angola and the President of his country are in Luanda. The Nod forces captured the building and assassinated Doctor Wong before the assassins was taken by a Chinook and just when they were leaving, the Ion Cannon research was completed leaving GDI to an offensive from the Brotherhood of Nod.