US Air Force - www.af.mil
US Army - www.army.mil
US Coast Guard - www.uscg.mil
US Coast Guard Auxillary -  http://www.cgaux.org/  
US Navy - www.navy.mil
US Marine Corps - www.usmc.mil

US Air Force Academy - http://www.usafa.af.mil
US Military Academy - www.usma.edu
US Coast Guard Academy - www.cga.edu
US Naval Academy - www.nadn.navy.mil
US Merchant Marine Academy - www.usmma.edu

Department of Defense - www.defenselink.mil
Joint Chiefs of Staff - www.dtic.mil/jcs/
US Maritime Administration - http://www.marad.dot.gov

NAVY

Bureau of Naval Personnel - www.bupers.navy.mil
Navy Frequently Asked Questions - http://www.chinfo.navy.mil/navpalib/.www/faq.html
Historic Naval Ships Association -http://www.hnsa.org
Lone Sailor Organization - http://www.lonesailor.org
Military Sealift Command - www.msc.navy.mil
MCJROTC - www.tecom.usmc.mil/jrotc/
Naval Air Systems Command - www.navair.navy.mil
Naval Facilities Engineering Command - www.navfac.navy.mil
Naval Historical Center - www.history.navy.mil
Naval Historical Foundation - www.mil.org/navyhist/
Naval Institute Press - www.usni.org
Navy League of Australia - http://www.netspace.net.au/~navyleag/  
Navy Recruiting - www.navy.com
NROTC - www.nrotc.navy.mil/colleges/
NJROTC - www.njrotc.navy.mil/
Space and Naval Warfare Systems Command - agena.spawar.navy.mil
Submarine Centennial Web Site -   www.chinfo.navy.mil/navpalib/ship/submarines/sub100.html
US Atlantic Fleet - www.atlanticfleet.navy.mil
US Naval Forces, Europe - www.cne.navy.mil
US Naval War College - www.nwc.navy.mil
US Pacific Fleet - www.cpf.navy.mil
USS Constitution Museum - www.ussconstitutionmuseum.org