During the second day of the 2009 Ride for Semper Fi, cyclists push through the sand dunes just outside of Brawley, Calif. Leading the pack are Arizona riders (from left) Simon Keeton, Phil Maxwell and Joe Liner. Even on hills, the riders try to keep together as a group. Lt. Col. Paul Thompson, a C-17 Globemaster III pilot with the 729th Airlift Squadron at March Air Reserve Base, Calif., and John Greenway during founded the annual 430-mile ride to raise money for wounded warriors. (Photo courtsey of The Ride for Semper Fi)
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