ThejournalsofatrueNASAArcticexpeditionunveilstheadventureofasix-mancrewsaboardanexperimentalvehicledesignedtopreparethefirsthumanexplorationofMars.Avoyageoffearsandsurvival,hopesanddreams,throughthebeautiesandthedeadlydangersoftwoworlds:theHighArcticandMars,aplanetthatmighthidethesecretofourorigins.