The term camouflage only came into widespread use during the First World War, and the specialist camouflage units developed by the combatants at the time put the bulk of their efforts into the concealment of artillery, vehicles, observation posts and bunkers.  Meer

Uses over 400 illustrations to show the clothing of both Officers and Ratings in World War II and during the years leading up to it, when Naval uniforms underwent significant modernization.  Meer