COATESVILLE, Penn. - U.S. Army Reserve Spc. Aaron Haun (right), motor transport operator, 223rd Transportation Company and Lancaster, Penn., resident, runs through the final obstacle of the Tough Mudder Philly course, the Electroshock, in Coatesville, Penn., Oct. 18. The U.S. Army Reserve was one of the sponsors for the event.(U.S. Army photo by Staff Sgt. Debralee Best)