ROCK ISLAND ARSENAL, Ill. - Sgt. Julio Castellanos, pictured above, pushes past the finish line of a 12-mile road march during Army Materiel Command's Best Warrior competition. The march began at 2:30 a.m. and concluded nearly four muggy hours later, just as the first notes of reveille sounded. Castellanos is representing Army Research, Development and Engineering Command in the July 18-23 event hosted by Army Sustainment Command.
Dawn Patrol
By Sgt. 1st Class Sean Riley, Army Sustainment CommandJuly 23, 2010
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