Well, It just remind us that the work of marine is dangerous , but still they chose it in order to serve and protect the country. I do admire them for despite of the peril they encountered each day, they're wholeheartedly willing to sacrifice their lives for the sake of the nation. Those seven marines who loose their lives during the training are just one of those soldiers who sacrifice their lives to serve not only the United States but also the entire nation. Anyways, for those who want more details about this news, you may look at:
Seven Marines killed in training exercise.