In 1900 PD, Dumarest was the Secretary of War under Hereditary President Sidney Harris, and advocated for more military buildup, primarily to the People's Navy. She was concerned about the growing anti-government groups on recently conquered planets, and also advised against expanding towards Erewhon for fear of provoking a reaction from the Solarian League. (HH1) As Secretary of War, she controlled Naval Security, by far the least terrifying of the security forces.