AUTOMOTIVE MUSCLE U.S. Marine Corps Cpl. Josh Mapes works on a vehicle at the motor transportation lot on Forward Operating Base Geronimo, Afghanistan, Oct. 7, 2010. Mapes is an organizational automotive mechanic assigned to Headquarters Company, 3rd Battalion, 3rd Marine Regiment. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 124768-Q-TAJ26-681.jpg Photo Gallery