LOOK BACK U.S. Marines and Afghanistan National Army soldiers look out the back of a CH-53E Sea Stallion as it takes them to their insert positions during Operation Integrity in Marjah, Helmand province, Afghanistan, Jan. 15, 2011. The Marines are assigned to 2nd Battalion, 9th Marine Regiment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 086253-Q-WQI93-304.jpg Photo Gallery