John, I'm trying to do the last step in that tutorial: rosmake 2dnav_pr2 roslaunch 2dnav_pr2 rviz_move_base.launch Should it actually be pr2_2dnav instead of 2dnav_pr2 ? But I still don't see rviz_move_base.launch (there's one in pr2_navigation_global though). Where is it? Thank you, Alex Bravo