Dave's using 12 wheel drive !!!

[JohnBoucher]

The Moon Buggy (http://www.msnbc.msn.com/id/28565952/) that will be in the inaugural parade uses 12 wheel drive. I think we're sticking with 4.

[Elgin Clock]

With the exception of wheels over tank treads, it reminds me of the Chariot from the TV show Lost In Space:

http://www.cloudster.com/sets&vehicles/Chariot/Chariotreal.htm
http://uk.youtube.com/watch?v=XS5BQBOou1w

Then again, maybe NASA does take inspration from Science Fiction:
http://www.cloudster.com/sets&vehicles/Chariot/chariot14.jpg