Service photos of U.S. Marine Corps 2nd Lt. David Cason, left, a supply officer with Headquarters and Service Battalion, 2nd Marine Logistics Group, and his grandfather, U.S. Eighth Air Force Maj. Velton Cason, a B-24 Liberator and B-17 Flying Fortress bombardier-navigator. (U.S. Marine Corps photo illustration by Sgt. Rafael Brambila-Pelayo) - Service photos of U.S. Marine Corps 2nd Lt. David Cason, left, a supply officer with Headquarters and Service Battalion, 2nd Marine Logistics Group, and his grandfather, U.S. Eighth Air Force Maj. Velton Cason, a B-24 Liberator and B-17 Flying Fortress bombardier-navigator. (U.S. Marine Corps photo illustration by Sgt. Rafael Brambila-Pelayo)