Below are a list of selected Links.

U.S Goverment.https://www.usa.gov/
Veterans affairs. http://www.va.gov/
U.S Department of Defense. https://www.defense.gov/
U.S Airforce. https://www.airforce.com/
U.S Army. https://www.army.mil/
U.S Marines. http://www.marines.mil/
U.S Navy. http://www.navy.mil/
U.S Coast Guard. http://www.uscg.mil/