Army Spc. Zachary Butler, a C Company, 3rd Battalion, 158th Aviation Regiment helicopter crew chief, tightens a screw on a UH-60 Black Hawk helicopter tail as part of his pre-flight inspection on Friday, May 14. Butler, from Canadian, Texas, has more than 280 flight hours while in Iraq on his first deployment, and has more than 400 total flight hours. Company C deployed to Iraq in December as part of Task Force Storm in support of Operation Iraqi Freedom.