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In addition to being compatible with the departments and tasks of the original interstellar exploration plan and planet colonization plan, the Interstellar Investigation Bureau is also authorized to have unlimited investigation rights over all planets. It is responsible for investigating creatures, forces, intelligence and terrorist activities on the planet that may threaten human security. It is the only investigation agency with the authority to analyze and contact each planet, and is also the only investigation agency with the authority to conduct military operations against alien planets.