Training Plans Marine Corps 2nd Lt. Jacob Martin plans a schedule at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 23, 2018, during a large-scale training exercise aimed at bolstering combat capabilities in a desert environment. SHARE: Download: Full Size (4.29 MB) Tags: Marine Corps Credit: Marine Corps Lance Cpl. Tyler M. Solak VIRIN: 181023-M-RQ876-1121C.JPG Photo Gallery