Guardians of Freedom Act of 2010 - Directs the Chief of the National Guard Bureau (Chief) to serve as an advocate and liaison for the National Guard of each state, the Commonwealth of Puerto Rico, the District of Columbia, Guam, and the Virgin Islands (the states and such areas) and inform such National Guards of all actions that could affect their federal or state missions, including any equipment level or force structure changes.
Requires the Chief to: (1) be a member of the Joint Chiefs of Staff, with responsibility for advocating for the National Guards of the states and such areas; and (2) consult with state governors and adjutant generals before any changes are made in National Guard force structure or equipment levels.