ThejournalsofatrueNASAArcticexpeditionunveilstheadventureofasix-mancrew'saboardanexperimentalvehicledesignedtopreparethefirsthumanexplorationofMars.Avoyageoffearsandsurvival,hopesanddreams,throughthebeautiesandthedeadlydangersoftwoworlds:theHighArcticandMars,aplanetthatmighthidethesecretofourorigins.