U.S. military searches for three Marines in sea after aircraft crashes off Australia

By Tom WestbrookSYDNEY (Reuters) - Rescue teams were searching for three U.S. Marines missing after their aircraft crashed into the sea off Australia's east coast on Saturday, the U.S. Marine Corps said.Twenty-three other personnel aboard the MV-22 Osprey tilt-rotor aircraft had been rescued, the III Marine Expeditionary Force, based in Okinawa, Japan, said in a statement.In past years, Ospreys have been involved in incidents resulting in deaths or injuries.