Nearly two centuries ago, the human race advanced into space, ushering in the dawn of a new era - The Space Era.
Due to the devastation and turmoil caused by the meteors that struck Earth in the early years of the 21st century, human life changed little over time.
In 179 S.E., a third meteor, Meteor 3, struck the Earth near the Marquesas Islands in the South Pacific.
A research team dispatched by the Earth Federal Government (EFG) discovered that Meteor 3 consisted of substances containing technology previously unknown to man. They called this new technology Extra-Over Technology (EOT).
Further analyses were conducted by the EOT Investigative Committee (EOTI) under the strict supervision of the EOT Council.
Upon conclusion of the investigation, Dr. Bian Zoldark, the head of EOTI, reported to the EFG and the Earth Federation Army that an invasion by extraterrestrial beings was highly probable.
The EFG took the warning seriously, and the development of Personal Troopers, humanoid mobile units, began...