U.S. Army Spc. Ashley O’Hearn (left), from Pipestone, Minn. and U.S. Army Spc. Torey Lasater (right), from Conrad, Iowa, both brigade aviation operations specialists, and U.S. Army Staff Sgt. Brenda Caldwell (center), a supply sergeant, from Omaha, Neb., all with the Iowa National Guard, 2nd Brigade Combat Team, 34th Infantry Division, Task Force Red Bulls, proudly display their workout tracking sheets after completing the Memorial Day "Murph" CrossFit workout at the clamshell gym on Bagram Air Field, Parwan province, Afghanistan, May 29.