 Specific responsibilities of the Imperial Navy include defending Imperial citizens from space-based threats (such as pirates, smugglers and rebel contingents), enforcing Imperial will, and overseeing commerce through customs and blockade operations.The Imperial Navy also performs orbital bombardments and transports major ground force deployments, supporting them with space, orbital, and aerial support.Imperial Navy officers wear the same standard uniform that their Army counterparts use but is colored grey, and both services use colored chest plaques to denote rank.