Marine and Navy insignia representing service members killed during the Battle of Iwo Jima adorn a memorial wall at the National Museum of the Marine Corps, just outside Marine Corps Base Quantico, Va., May 15, 2014. Marines from Combat Logistics Battalion 6, Combat Logistics Regiment 2, 2nd Marine Logistics Group visited the museum to deepen their appreciation for the history of sacrifice that forged the Marine Corps into what it is today.