Marines establish security on Red Beach after exiting an assault amphibious vehicle with Marines assigned to 3rd Assault Amphibian Battalion during Exercise Steel Knight 2014 on Marine Corps Base Camp Pendleton, Calif., Dec. 9, 2014. The Marines are assigned to 2nd Battalion, 1st Marine Regiment. The Marines established security on the beach before they maneuvered through a mock village. Steel Knight is a large scale combined arms, live-fire exercise integrating ground troops as a maneuver force across a range of military operations. Marines establish security on Red Beach after exiting an assault amphibious vehicle with Marines assigned to 3rd Assault Amphibian Battalion during Exercise Steel Knight 2014 on Marine Corps Base Camp Pendleton, Calif., Dec. 9, 2014. The Marines are assigned to 2nd Battalion, 1st Marine Regiment. The Marines established security on the beach before they maneuvered through a mock village. Steel Knight is a large scale combined arms, live-fire exercise integrating ground troops as a maneuver force across a range of military operations. SHARE: Download: Full Size (2.11 MB) Tags: photo essays Credit: VIRIN: 212510-R-RES82-901.jpg Photo Gallery