AIR TRANSPORT U.S. Marines await for air transport aboard a CH-53E helicopter on Al Asad Air Base, Iraq, Aug. 22, 2008. The Marines are assigned to Company A, 4th Assault Amphibian Battalion. The battalion serves as the quick-reaction force for Multi-National Force - West . SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 247765-P-HLY31-532.jpg Photo Gallery