Historic First Use of Drill on Mars Set for Jan. 31 - Curiosity's Sol 174

Image caption: Curiosity will conduct Historic 1st drilling into Martian rock at this spot where the robotic arm is pressing down onto the Red Planet's surface at the John Klein outcrop of veined hydrated minerals. This panoramic photo mosaic of Navcam camera images was snapped on Jan. 25 & 26, 2013 or Sols 168 &