Fang of the Sun Dougram

is a Japanese anime series created by Ryosuke Takahashi and Sunrise. It aired in Japan from October 23, 1981 to March 25, 1983 on TV Tokyo for 75 episodes.

Plot
In Space Century 152 on the colony planet Deloyer, a growing independence movement ensues from an unexpected coup. With the Federation's approval, the elected Governor declares martial law and rules the planet with an iron fist as the absolute dictator. In reaction, a ragtag group (including the governor's estranged son) rises in open rebellion, using a powerful prototype Combat Armor: the Dougram. Their goal is the end of the dictatorship and total independence from the Federation's influence.