This website "provides links to vast amounts of information on homeland defense and homeland security studies including, federal, state and local resources, along DoD directives and instructions." The mission of the Homeland Defense & Homeland Security center is to "provide the Department of Defense, United States Air Force and sister services a leading-edge, homeland defense research and education center. More specifically, the center will facilitate student and faculty research across the joint homeland defense spectrum, while at the same time, developing and implementing education on critical defense issues essential for protecting the US homeland and its infrastructure. Additionally, the center will provide a synergistic interface with the Department of Homeland Security and other agencies to help inform, enlighten and educate homeland defense and homeland security leaders and first responders on their responsibilities to the local, state and national community."
Air War College: http://www.au.af.mil/au/awc/awchome.htm