A landing craft air cushion heaves through a near-shore swell on Camp Pendleton's Red Beach coastline during assault training exercise Dawn Blitz. The weeklong Navy/Marine exercise involved 4500 sailors and Marines, seven ships, 60 amphibious assault vehicles, 16 landing craft air cushion and numberous fixed-wing and rotary aircraft. - A landing craft air cushion heaves through a near-shore swell on Camp Pendleton's Red Beach coastline during assault training exercise Dawn Blitz. The weeklong Navy/Marine exercise involved 4500 sailors and Marines, seven ships, 60 amphibious assault vehicles, 16 landing craft air cushion and numberous fixed-wing and rotary aircraft.