Plot[edit | edit source]
In the United Earth Year 192, Earth is under attack from an alien race known as the Radam, which consists of bug-like monsters and armored warriors known as Tekkamen. The Radam's spaceship lies dormant on the dark side of the Moon where the Radam wait for it to be repaired.
Fighting against the Radam is a special defense force called the Space Knights. The group consists of Heinrich von Freeman, the group's commander; Noal Vereuse, the pilot of the Space Knights' ship the Blue Earth; Aki, the Blue Earth's navigator; Milly, the communications operator; Levin, a computer mechanic; and Honda, the group's mechanic.