It 's expected to arrive Thursday or Thursday , an engineer overseeing the drilling said . Platform , called CNN , will be part of operation to drill to reach the miners . Plan A drill is making progress ; Plan B drill has hit a snag . As residents waited for the arrival of the newest weapon in the arsenal being used to rescue the miners , workers walked the route the convoy will take to make sure the heavy trucks will clear the winding road into camp . two miners have been trapped for Friday , 293 yards under the earth .
It 's expected to arrive Thursday or Thursday , an engineer overseeing the drilling said . Platform , called CNN , will be part of operation to drill to reach the miners . Plan A drill is making progress ; Plan B drill has hit a snag . two miners have been trapped for Friday , 293 yards under the earth .