The Wall Of Heroes
Far beyond the Imperial frontier, on an obscure world in an obscure system, a rag-tag fleet of volunteers fought a battle for the fate of the galaxy. After the battle, the survivors carved the names of their dead on towering cliffs overlooking a placid sea.
There's a short story about it here.
If you have a panel code, the panels are identified left to right D A B C.
THE WALL OF HEROES