U.S. Marines cross a canal during a security patrol in Sangin. U.S. Marines with 1st Platoon, Kilo Company, 3rd Battalion, 5th Marine Regiment cross a canal during a security patrol in Sangin, Afghanistan, on Jan. 8, 2011. Marines conducted counterinsurgency operations with the International Security Assistance Force to suppress insurgent activity and gain the trust of Afghan citizens. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 842411-M-JMF82-002.jpg Photo Gallery