Yup. After we burned down the White House, and then stole millions of acres south of the 49th, we set our sights on Europe and jumped in early for all future wars. Both WW’s, Korea, Gulf War, Afghanistan... eventually we designed impenetrable swimming pool blue helmets and specialized in peacekeeping. Then we discovered that shade of blue never occurs in nature and so it stands out everywhere in the world. Thus Sharpie-Off, eh? And that is why UN Peacekeepers helmets are white in the USA and pool blue elsewhere, helps us find our dead easily in battle.