@央视军事消息，近日，贵州省人民政府评定殉职的D2809次列车司机杨勇为烈士。今年6月，D2809次列车突然遭遇泥石流，滑入线路。司机杨勇在5秒钟内采取了紧急制动措施，以确保车上人员的安全。杨勇是一名在海南服役的
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