There are plenty of questions in the wake of an aircraft crash which has claimed the lives of three U.S. Marines.\xa0
They died yesterday off the coast of northern Australia, during a routine military exercise. \xa0
The Marine Rotation Force says five others have been transported to Royal Darwin Hospital in a serious condition. \xa0
International Correspondent Steve Price told Mike Hosking that there were 23 Marines on the Osprey tilt-rotor aircraft when it crashed.\xa0
He says the crash occurred on the Tiwi Islands at approximately 9.30 a.m\xa0
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