Regulations on State Troops flags, if any & Regular U.S. regular Troops flags defer thatís way you see deferent designís between States and regular Federal Troop flags. An then you also had several designís on presentation flags used but the regulationís on the regular U.S. Troops was fairly standard with some exceptions within each of the U.S. Armies or Corps. Greg has it right on regular U.S. Troops.