COIB is a quasi-military branch belonging to the UN. They are the best agents from every nation with the best technology in urban tranportation and artillary. In the First Monster War, they tried to fight the aliens with little success. Their goals include reconnaisance, capture, and extermination.
Most COIB technology includes moving around skyscrapers quickly. They use this to install light artillary around cities, track monsters, and civilian evactuation. Sometime they are granted control of robot to directly fight a monster, like Goliath-Prime, Robo-47, etc. They routinley use aircraft, such as the Chinook, Apache, etc.