On The Move Marines move to the next defensive position after participating in an air assault course while training on Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 29, 2017. The training creates a challenging and realistic environment that produces combat-ready integrated forces. Marine Corps photo by Cpl. Christopher A. Mendoza SHARE: Download: Full Size (2.11 MB) Credit: Cpl. Christopher Mendoza VIRIN: 170729-M-BZ307-1033C.JPG Photo Gallery