U.S. Marine Corps 2nd Lt. Robert J. Busalacchi, the platoon commander for Mobile and Counter Mobile Platoon, Headquarters and Services Company, 3rd Assault Amphibian Battalion, provides a mission brief to the Marines in his platoon before rehearsing a beach landing Sept. 29 during Exercise Dawn Blitz. Busalacchi is a native of Arbor Vitae, Wis. The Marines with H&S; Company and Fox Company, 3rd AABn., stormed out of the USS Rushmore with 30 amphibious assault vehicles and landed on Camp Pendleton's Gold Beach.