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.。《一九四二》纪录片《走近·一九四二》,该纪录片共6集,将详细揭秘电影的拍摄幕后。首集纪录片则把揭秘重点放在具有强烈视觉冲击力的爆炸场面上。用刘震云的话说,《一九四二》就是把不可能变成了可能。。