After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them.。当太阳在短时间内转变为磁星时,水星就会被抛出轨道,并与地球发生碰撞。一个“不光彩”的科学家要用自己失败的武器系统拯救我们的星球。。