Photos: Destination Mars

Space flight historian Hugh Gregory (right) and Veronica Ann Zabala-Aliberto of Arizona State University inspect rocks outside the Mars Desert Research Station northwest of Hanksville, Utah on June 16. The research station, which is sponsored by the Mars Society, is used for scientific research and practice for a future manned mission to Mars.

Veronica Ann Zabala-Aliberto and Hugh Gregory ride their ATVs during an exploration trip near the Mars Desert Research Station on June 16. Several groups a year man the station for one to two weeks at a time.