project is "mars 20 - 20." reporter jan crawford is at the jet propulsion lab in pasadena california... where the highly - sensitive work is going on right now. 3 ctm script: this is what you have to do (vo jan sped-up suiting up/air shower montage with music) when you go into a room with a spacecraft headed for mars. (walking into clean room & around rover)jan crawford: 02:49:33;21 wow. so that is going to be-- that is going to be on the surface of mars? that--jeff srinivasan: 02:49:44;00 absolutely. (mars rover b-roll 3 on vimeo_fd - 11/26/11) 00:32:39 zeromain engine start and liftoff (rocket launch vo cont) its 200 million miles awaya speck in the sky... and in just four years, this spacecraft will blast off for a unmanned mission to the red planet-it's a crucial step toward nasa's goal of someday sending humans to mars. (pan up from feet in clean room)jan crawford: 03:02:40;11 so everyone that works on this has to wear these suits andnasa agreed to let us go inside the...