Emily Manor-Chapman, a NASA engineer on the 'InSight' lander, explains what the new mission to Mars hopes to accomplish.
For full interview, [click here](https://cheddar.com/videos/nasa-prepares-for-trip-to-mars).
At least two people have died, thousands of U.S. flights have been canceled and more than 1 million have lost power as destructively strong storms move through the eastern U.S.