Marines prepare to attach a sling fastened to a M198 Medium Howitzer. Marines prepare to attach a sling fastened to a M198 Medium Howitzer onto a U.S. Marine Corps CH-53E Super Stallion helicopter in Al Asad, Iraq, on Nov. 29, 2006. The Super Stallion, from Heavy Marine Helicopter Squadron 465, 3rd Marine Aircraft Wing (Forward), will airlift the howitzer to Barwana, Iraq. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 262084-Q-TKY47-845.jpg Photo Gallery