caisson – (ˈkāˌsän) historical, a two-wheeled cart for carrying ammunition; also, used in state and military funerals for conveying a casket in public procession.
The arrival of fully-loaded ammunition caissons to a battlefield can change the course of the engagement. Upon seeing loaded caissons arrive, some soldiers experience courage, “they have not been forgotten, the seeds for their mournful efforts are replenished, they may survive this day”. However, their glimpse of courage is often tempered; a ride on an empty caisson is not desirable. At the end of the day, after the battle, the spent caissons will carry away the wounded, the broken, the vulnerable, and the fallen.
Not all scars show, not all wounds heal.