Night Raid A Marine conducts a simulated night raid at Marine Air Ground Combat Center Twentynine Palms, Calif., Dec. 12, 2019, during Steel Knight, an annual exercise that tests Marines and sailors across a range of environments. SHARE: Download: Full Size (0.12 MB) Tags: Marine Corps, Training Credit: Marine Corps Sgt. Teagan Fredericks VIRIN: 191212-M-CG596-1269C.JPG Photo Gallery