Voltage check
Senior Airman Josh Paul uses a multimeter to check the voltage of lead acid batteries during periodic inspection at a facility Thursday, March 23, 2006, at Yokota Air Base, Japan. The batteries are used to provide power to C-130 Hercules aircraft and UH-1 Huey helicopters here. Airman Paul is an electro and environmental technician with the 374th Maintenance Squadron. (U.S. Air Force photo/Master Sgt. Val Gempis)