United States Department of Defense
www.defenselink.mil

Homeland Security
www.dhs.gov/dhspublic/index.jsp

United States Navy
www.navy.mil

United States Marine Corp
www.usmc.mil

America's Air Force
www.af.mil

Department of Defense — "DefenseLINK"
http://www.defenselink.mil/

Army Knowledge Online (AKO)
Army Knowledge Online (AKO)

US Government Official Web Portal
www.firstgov.gov