ENGINE INSPECTION U.S. Army Capt. Andrew Wagner inspects the engine on a U.S. Army UH-60 Black Hawk helicopter on Shindand Air Base before conducting a mission in the Regional Command West area of operations in Afghanistan, Dec. 8, 2013. Wagner is a pilot assigned to the California National Guard's Company C, 1st Battalion, 168th Aviation Regiment. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 378352-B-IQC36-169.jpg Photo Gallery