Gunnery Sgt. Chance Haworth, the Marine Detachment senior enlisted advisor at the Defense Information School at Fort George G. Meade, Md, gives final roll call July 27, 2015. Corporal Sara Medina and Lance Cpl. Jacob Hug had their names mounted to the Hall of Heroes display at DINFOS honoring their service after losing their lives in a helicopter crash during relief efforts in Nepal.