Kohrah was a male Zentraedi who lived in the 21st century. He eventually arose to the position of Commander where he was placed in command of the Robotech Masters Elite Guard. This group within the Imperial Zentraedi Forces were tasked with the personal protection of their Tirolian creators. As such, they were equipped with the best weapons and technology at their disposal. This included shields included on their warships and stealth technology being used by their mecha. Kohrah was eventually assigned to the Earth solar system during the First Robotech War.