These two Rovers are designed for the exploration of Bop and Pol. They can be redocked to the lander once deployed. The second rover "Dragonfly" comes with an electrical engine for vertical exploration. http://<iframe class="imgur-album" width="100%" height="550" frameborder="0" src="//imgur.com/a/tsEqg/embed?background=f2f2f2&text=1a1a1a&link=4e76c9"></iframe>