GC 10 - Day 4 6
Tech. Sgt. Rochanapan Silpe crosses a water hazard hand over hand on the rope and upside down at the Guardian Challenge 2010's obstacle course May 19 during the final portion of the security forces competition. Sergeant Silpe is a member from the Space and Missile Systems Center's 61st Security Forces Squadron. (Photo by Lou Hernandez)

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Photo by: Lou Hernandez |  VIRIN: 100519-F-2428H-010.JPG