Beach Landing Marines conduct a simulated amphibious landing and assault at Marine Corps Base Camp Pendleton, Calif., Dec. 6, 2019, during Steel Knight, an annual exercise that tests Marines and sailors across a range of environments. SHARE: Download: Full Size (1.6 MB) Tags: Marine Corps, Training Credit: Marine Corps Cpl. Ana Madrigal VIRIN: 191206-M-ST406-1056C.JPG Photo Gallery