Herc check-up
Staff Sgt. Jason Barefield uses a flashlight to look for corrosion, deformities and broken rivets on a C-130 Hercules wing panel during an inspection at Yokota Air Base, Japan, on Tuesday, April 25, 2006. Sergeant Barefield is an aircraft mechanic assigned to the 374th Maintenance Squadron. (U.S. Air Force photo/Val Gempis)