美国空军、联邦航空局和情报机构的20位退休人员最近说,美国政府50多年来一直隐瞒着外星人造访地球的真相。他们要求国会就他们所说的美国政府长期以来卷入的关于不明飞行物和外星人的秘密举行听证会。据说,这20位目击者只是愿意作证的400人中的一部分。前联邦航空局事故调查部门负责人约翰·卡拉汉说,中央情报局官员曾指示他隐瞒1986年11月18日一架日本民航客机在阿拉斯加州安克雷奇附近遭遇一不明飞行物的真相。曾于20世纪60年代和70年代初在俄勒冈州克拉马斯福尔斯 The 20 retirees of the US Air Force, the Federal Aviation Administration and intelligence agencies recently said that the U.S. government has been hiding the truth about aliens visiting the Earth for more than 50 years. They demanded that Congress hold hearings on what they called the U.S. government’s long-standing involvement in the secrets of UFOs and aliens. It is said that these 20 witnesses are only part of the 400 people who are willing to testify. John Callahan, former head of FAA’s accident investigation department, said that CIA officials had instructed him to hide the fact that a Japanese civilian airliner encountered an unidentified flying object near Anchorage, Alaska, on November 18, 1986. Once in the 1960s and early 1970s in Klamath Falls, Oregon