110528-N-JC271-110
SNOW VALLEY, Calif. (May 28, 2011) Mass Communication Specialist 3rd Class Sebastian McCormack, assigned to Fleet Combat Camera Group, Pacific, crawls through the mud on his way through the third obstacle of the Tough Mudder competition. Tough Mudder is a 10-mile obstacle course designed by British special forces to challenge a competitor’s strength and endurance. (U.S. Navy photo by Mass Communication Specialist 1st Class Matthew D. Leistikow/Released)
