John Callahan,a former FAA division chief of accidents and investigations,said he was directed by CIA officers to cover up a Nov.18,1986,incident involving a UFO and a Japanese airliner near Anchorage,Alaska.

• 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。