A SWAT team member with the Garden Grove Police Department practices room-clearing during a collaborated training exercise with the Provost Marshal's Office Special Reaction Team at Range 111 aboard the Combat Center Oct. 11, 2013. - A SWAT team member with the Garden Grove Police Department practices room-clearing during a collaborated training exercise with the Provost Marshal's Office Special Reaction Team at Range 111 aboard the Combat Center Oct. 11, 2013.