Gundam Thunderbolt was released as both two movies (December Sky & Bandit Flower) and two 4-Part OVA episodes. The movies have added scenes not found in the original OVA. During the One Year War. In UC 0079, the Federation and Zeon troops engage in a fierce battle in the "Thunderbolt Sector", a shoal zone littered with debris from destroyed space colonies, named for the frequent electrical discharges. The story focuses on Federation soldier Io Flemming as he battles Zeon's best sniper, Daryl Lorenz.