A loud blast of enemy fire met Staff Sgt. Anderson Munoz on Nov. 18, 2011, at Forward Operating Base Shank in eastern Afghanistan. Munoz, a Nevada Army National Guardsmen with Lima Troop, 1/221st Cavalry, was clearing a shooting range at the end of a day of marksmanship training with fellow soldiers. "I remember a big flash, like fireworks, and (after that) I couldn't remember much," said Munoz, of Dayton, who was presented Saturday with a Purple Heart medal at the Reno-Sparks Convention Center. "I remember things moving slowly and then I remember being at the medical location."The 35 year-old was …