The Pioneer Expedition was a mission to confront alien forces in space to prevent interplanetary war on Earth. It took place concurrently with the 2nd and 3rd Robotech wars. The expedition was led by Lisa Hayes aboard the SDF-3, which was launched in 2022 in search of the Robotech Masters. The mission soon became preoccupied with the liberation of worlds under the control of the Invid Regent. In June 2030, the final...