Mobile Suit Gundam Unicorn [OVA]

In UC 0096, Banagher Links is caught in a tug-of-war between the Earth Federation and Zeon remnants for possession of Laplace’s Box, an item which holds the secret of the Universal Century. He finds himself taking part in the struggle when he is entrusted with a prototype mobile suit, the RX-0 Unicorn Gundam.