sorry gang hit the post message button by mistake,to continue the answer to ducatai,My son as others have worked closely with the teams,but it is a totally new unit with very specilized traing.Received alot of their training at Black water lodge NC.You can find out what is public about the units by checking out the Virinia Pilot article at http://www.pilotonline.com/military/ml0212mob.html,Yea it's hard to beat pefection the old M-16 is sill a work Horse