Lt. Col. William McCollough crosses a bridge in the Nawa district. Commander of the 1st Battalion, 5th Marine Regiment Lt. Col. William McCollough, U.S. Marine Corps, crosses a bridge in the Nawa district of the Helmand province, Afghanistan, on Sept. 6, 2009. The 1st Battalion, 5th Marine Regiment is deployed with Regimental Combat Team 3 to conduct counterinsurgency operations in partnership with Afghan National Security Forces in southern Afghanistan. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 809428-Y-RQY12-295.jpg Photo Gallery