Imminent Thunder U.S. Marines assigned to the 2nd Marine Division's Charlie Company, 1st Battalion, move out on a mission after disembarking from a CH-46E Sea Knight helicopter during Exercise Imminent Thunder, part of Operation Desert Shield. SHARE IMAGE: Download Image: Full Size (2.87 MB) Tags: Desert Shield, Veterans Photo By: Air Force Tech. Sgt. H. H. Deffner VIRIN: 181103-D-ZZ999-102.JPG Photo Gallery