Those killed hail from different countries . Many served in Afghanistan , earning numerous honors before making it safely back home to the United States . One has been in the Marines since 2008 , another joined a few months ago . 8 were killed in the attack , all of them ` ` very seriously , '' the Marines said . Authorities still do n't understand why the mortar system ` ` failed to function as planned ''
Those killed hail from different countries . One has been in the Marines since 2008 , another joined a few months ago . 8 were killed in the attack , all of them ` ` very seriously , '' the Marines said . Authorities still do n't understand why the mortar system ` ` failed to function as planned ''