Core to homeland security are institutions such as active-duty military, the National Guard, FEMA, and local first responders. Complementing these core institutions, however, are three often underrecognized forces that provide consistent, often uncompensated support: the Civil Air Patrol, the U.S. Coast Guard Auxiliary, and State Guard units. This article explores the statutory roles, operational responsibilities, and vital resources these forces offer from the perspective of three senior leaders actively engaged in their operations.