<Dl> <Dt> Imperial Stormtrooper Corps </Dt> </Dl> <Dt> Imperial Stormtrooper Corps </Dt> <P> Contrary to popular belief, Imperial Stormtrooper Corps (ISC) are not in fact the army, but rather an elite corps that works as a ground force for the Navy--similar to a Marine Corps . The Stormtroopers operate in conjunction with the Army and Navy, but in practice are organized like marines with their own separate divisions . When not in their signature white armor, Stormtrooper officers wear black uniforms . </P> <Dl> <Dt> Imperial Security Bureau </Dt> </Dl>

How long was the empire in power in star wars