U.S. Marines with 1st Marine Expeditionary Brigade and Sailors with Expeditionary Strike Group 3, conduct amphibious, combined arms, aviation and expeditionary advanced base operations training off the coast of Southern California during Exercise Dawn Blitz from Oct. 20-29, 2017. Exercise Dawn Blitz 2017 is scenario-based training evolution that allows the U.S. Navy and Marine Corps to refine and strengthen core amphibious competencies critical to maritime power projection by exercising a force designed to respond to threats to the United States and its allies. (U.S. Marine Corps motion media by Gunnery Sgt. Jon Spencer)
