PIT CREW PASSION The Army pit crew changes two tires on the Army Chevy Impala following a caution for light rain on Lap 422 of the Sharpie 500 in Bristol, Tenn., Aug. 22, 2009. While most teams changed four tires, the two-tire strategy helped propel the Army team to a sixth-place finish. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 488479-N-EXC48-691.jpg Photo Gallery