URBAN TRAINING Marine Corps Cpl. Kuamutsua Xiong moves under the concealment of smoke during a combined arms exercise on Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Dec. 17, 2014. Xiong is a radio operator assigned to Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 537332-W-VMI77-214.jpg Photo Gallery