Coast Guard (aka hooligan navy, puddle pirates, Uncle Sam's Cheap Guys, Uncle Sam's Confused Group....etc.) is military and "carries a green ID card...peace time and war time. In wartime, they chop to DoD vice Homeland inSecurity. Before HS, they were in DoT (Transportation) and before that Treasury. Wartime chop still applied then. Before CG being under Treasury, Bart was the leading seaman in the deckforce under John Paul Jones...