The Home Front Command operates in various emergency situations, specializing in the field of civilian protection similar to the U.S. Department of Homeland Security and the National Guard entities of the individual states and territories of the United States. Shortly after her return to Illinois, Tate-Nadeau was appointed in March 2015 as the first female Illinois Army National Guard Assistant Adjutant General and among her responsibilities was overseeing the Illinois National Guard's domestic preparedness, including responses to natural disaster. She also served in a dual-hat position as the Deputy Commanding General, Army National Guard (Reserve Component), United States Army Maneuver Support Center of Excellence, Fort Leonard Wood, Missouri. In this role, General Tate-Nadeau represented the Chief, National Guard Bureau and Director, Army National Guard and served as the advisor to the Commanding General, United States Army Maneuver Support Center of Excellence, for all Army National Guard issues. Prior to the OEMC, Tate-Nadeau served in a civilian capacity with the Federal Emergency Management Agency in Chicago, where she was responsible for heading a 12 person-rapid response team assigned to cover FEMA's Region V. This area includes Illinois, Indiana, Ohio, Michigan, Wisconsin, and Minnesota. Their team needs to be "the first ones on the ground, representing the federal government in case of an emergency." Preceding her 2017 retirement, Tate-Nadeau was named as an inductee to the inaugural class of the U.S. Army ROTC Hall of Fame at Fort Knox, Kentucky and a 2015 Distinguished Alumna by the University of Central Oklahoma Alumni Association. Tate-Nadeau currently serves on the Regional Board of Directors of the American Red Cross of Chicago and Northern Illinois. Additionally, in her capacity as a retired general officer she is a member of Mission: Readiness, a nonpartisan national security organization of over 700 retired admirals and generals who strengthen national security by ensuring kids stay in school, stay fit, and stay out of trouble. She currently serves as the Acting Director of the Illinois Emergency Management Agency.