多年来,地球人同飞碟和外星人繁频接触的大量事实表明,很少有外星人首先主动攻击和伤害地球人的。不过,这些来历不明的“宇宙访客”却能以人类望尘莫及的神奇速度来无影,去无踪,似乎在地球人面前炫耀它们的威力。1942年2月25日,有20多个发着耀眼强光的飞碟莅临美国洛杉矶城。美国空防部队立刻向这群“不速之客”发起猛攻,共发射1400发高射炮弹,结果没伤害 The fact that Earth people have been in frequent contact with UFO and aliens over the years shows that very few aliens are the first to attack and harm Earth people. However, these “Visitors of the Universe” with unknown origins can disappear without a trace and disappear beyond the reach of the magical speed of humankind, and seem to show off their mightiness in front of the earth. February 25, 1942, there are more than 20 shiny dazzling flying saucer to visit Los Angeles City. The United States Air Defense Forces immediately launched a storming attack on these “uninvited guests”, firing a total of 1,400 rounds of anti-aircraft fire, resulting in no harm