U.S. Marines emerge from a cloud of dust. U.S. Marines emerge from a cloud of dust kicked up by the rotor wash of a CH-46 Sea Knight helicopter in Iraq on Dec. 4, 2005. The Marines and Navy Criminal Investigation Service agents are investigating the site as an alleged insurgent sniper range. SHARE IMAGE: Download Image: Full Size (0.09 MB) Photo By: VIRIN: 355114-U-WIL97-886.jpg Photo Gallery