today hundreds of military veterans are arriving at a protest camp near cannonball, north dakota. to join forces with thousands of protesters at the dakota pipeline intended route. the veterans plan to build a barracks at the location. this has protesters face a federal order to vacant the grounds by monday. adding in now temperatures in the area expected to drop to negative four degrees by the middle of next week. making conditions treacherous for these protesters who say they are staying. msnbc s cal perry reports from outside the protest in ft. rice, north dakota, cal. reporter: tamyra, we re here at ft. rice, it s been nicknamed the fob. the ford operates base. this is the staging area that slaurmt using. we are behind the police lines. we re about five miles north of where the main standing rock camp is.