马航失联客机或曾折返美联社报道，年月能力军事雷达记录显示失联的高考国际波音777号客机消失前或曾折返。马来西亚空军司令罗德扎利达乌德表示，英语阅读雷达记录显示马航失联客机在失踪前有折返迹象，考前这让MH370航班客机失踪前几分钟的突破情况更加扑朔迷离。Military radar indicates that the missing Boeing 777 jet may have turned back before vanishing,理解 Malaysia's air force chief said Sunday as authorities were investigating up to four passengers with suspicious identifications.The revelations add to the uncertainties surrounding the final minutes of flight MH370, which was carrying 239 people when it lost contact with ground controllers somewhere between Malaysia and Vietnam after leaving Kuala Lumpur early Saturday morning for Beijing.A massive international sea search has so far turned up no trace of the plane, which lost contact with the ground when the weather was fine, the plane was already cruising and the pilots didn't send a distress signal - unusual circumstance for a modern jetliner operated by a professional airline to crash.Vietnamese air force jets spotted two large oil slicks Saturday, but it was unclear if they were linked to the missing plane, and no debris was found nearby.Air force chief Rodzali Daud didn't say which direction the plane might have taken or how long for when it apparently went off route."We are trying to make sense of this," he told a media conference. "The military radar indicated that the aircraft may have made a turn back and in some parts, this was corroborated（证实） by civilian radar."Malaysia Airlines Chief Executive Ahmad Jauhari Yahya said pilots were supposed to inform the airline and traffic control authorities if the plane does a U-turn. "From what we have, there was no such distress signal or distress call per se, so we are equally puzzled," he said.Authorities were checking on the suspect identities of at least two passengers who appear to

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