Stress Firing Service members participate in a stress firing event during the Fourth Annual Spc. Hilda I. Clayton Best Combat Camera Competition at Fort A.P. Hill, Va., July 12, 2016. Air Force photo by Staff Sgt. Corey Hook SHARE IMAGE: Download Image: Full Size (0.51 MB) Tags: Soldiers, Army Photo By: Staff Sgt. Corey Hook VIRIN: 160712-F-ZU607-248A.JPG Photo Gallery