U.S. Marine Corps tanks race towards their primary objective during a Combined Arms Exercise at Twentynine Palms, Calif. U.S. Marine Corps tanks leave plumes of dust as they race towards their primary objective during a Combined Arms Exercise at the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., on Feb. 1, 2000. Marines from the 2nd Marine Division's 2nd Tank Battalion took part in the exercise which is designed to involve all elements of the Marine Air Ground Task Force in a live fire, desert training environment. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 632851-L-CVG32-071.jpg Photo Gallery