Many of these stormtroopers believed in the socialist promise of National Socialism. They expected the Nazi regime to take more radical economic action, such as breaking up the vast landed estates of the aristocracy, once they obtained national power.[19] By the time Hitler assumed power in January 1933, SA membership had increased to approximately 2,000,000—twenty times as large as the number of troops and officers in the Reichswehr (German Army).[20]