However it is also their greatest weakness, should their leader fall, the whole Terraformars' social structure collapses and they revert from using complex tactics to mere simple mobs. Their unity and cohesion sets them from humanity as they are able to work as one without strife or conflict of interests. Under a charismatic Terraformar these creatures are capable of achieving impressive feats of social organization and networking. They are all individuals yet they are shown to work as units of a larger body when given the right impetus to direct them. They do not possess a hive mind, but merely a hive mentality. The Terraformars' social structure is complicated and yet simple. However they are capable of showing restraint, when under the leadership of a strong leader. These cockroaches have an intense hatred towards humanity, killing any human onsight with brute force. The Terraformars are naturally animalistic, on an individual level, however as a group they are highly social and intelligent. The Terraformars officially revealed themselves to the world, launching and open war against Japan and humanity. After their presence was discovered by the Japanese mercenary service, the 1st Escort, their breeding operations destroyed. Together they began kidnapping several Japanese citizens for breeding experiments in which their efforts created several Terraformar hybrids with human DNA. After building a base in Antarctica, they later formed a cooperation with China and the Newton Clan. The Terraformars that landed composed of several evolved strains that were mostly leaders. This coincided with China's and Romania plan to steal as many Mosaic Organs from the mission while leaving the rest of the Annex crew to die.While the human proxy forces fought on Mars, the Terraformars used the Bugs-2 to land on Earth and despite many attempts by the Earth's paramilitaries made landfall thanks to the Earth borne Terraformars sabotaging their efforts. When it was launched the Terraformars on Earth sent their agents to sabotage the mission. They blended within human society and kept tabs on the Annex-I project. In the story its later revealed that the Terraformars had long since infiltrated Earth by using the discarded Bugs-1 shuttle. To make matters worse the Terraformars had quickly adapted to the new Mosiac Operation and quickly stole the new abilities from their human victims. Now sporting more diverse forms using the pilfered Bugs Surgery as well as leftover Earth technology, the Annex I were assailed on many fronts. The humans from Annex I soon learned that the Terraformars had undergone major social reorganization and biological evolution. What was suppose to be a humanitarian effort devolved into a proxy war on Mars by the various nations. The Terraformars were informed amount the Annex-I project through collaborators from China and the Newton Clan, a family obessed with eugenics, via simple drawings from a space capsule. It was the intent of many nations to acquire these organs from the Terraformars to create a new super-soldiers for their militaries. Organs that allowed humanity to splice the DNA of other animals to create more powerful warriors. The reason for sending the mission to Mars was not for a vaccine but to harvest the Mosaic organs. However the virus turned out to be a international conspiracy and possibly man-made.

An international effort was made to send a third mission, Annex I, to extract fresh Terraformar samples to create a vaccine. The main culprit was believed to be the Terraformars virus carrier. VirusВ began to manifest and spread throughout Earth. From the incident only two members of the crew managed to escape back to Earth.ДЇorty-two years after the Bug 2 tragedy, the A.E. Abroad Bugs 2, a team of desperate volunteers and convicts were sent to Mars, but unfortunately majority of the team were killed by the overwhelming numbers of Terraformars. In retaliation, Earth created the Bug Procedure to enhance humans with insect traits to fight the cockroaches or Terraformars and reclaim Mars.

The scientists were slaughtered but not before the last remaining member sending a head of one of the creatures to warn Earth. Five hundred years later, when the humans from the shuttle Bugs 1, revisited Mars the cockroaches had evolved, possessing human like appearance.

The plan was for the cockroaches to feed on the moss and and promotes the moss's growth with their carcasses thus creating a viable atmosphere. In an international effort to terraform Mars for human habitation, cockroaches with some moss were sent on Mars. They have wings, which grants them the ability to fly. The Terraformars are human-sized cockroaches bearing a physical resemblance to Homo erectus.

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