Lt. Col. William McCollough talks with the chief of police in the Nawa district. U.S. Marine Corps Lt. Col. William McCollough talks with the chief of police in the Nawa district of the Helmand province of Afghanistan on July 19, 2009. McCollough is the commander of 1st Battalion, 5th Marine Regiment, Regimental Combat Team 3, 2nd Marine Expeditionary Brigade-Afghanistan. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 554524-F-UGD71-239.jpg Photo Gallery