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-si{Ziyuantun.Com}x years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them. 译文(2): 1947年美国陆军击落一架 UFO 后，几代精英突击队员接受了秘密训练，以应对外星人可怕的回{资源屯-ziyuantun.com}。然而，外星人再也没有回来，精锐部队被解散了。罗斯韦尔坠毁66年后，外星人正在入侵地球，只有退役的突击队员才能阻止他们。
