SoCal Federal Government Ships & Boats.
ShipTrackingAIS Website - http://shiptrackingais.blogspot.com/
Military Vessel Ship Tracking AIS page.
http://shiptrackingais.blogspot.com/p/militaryvesseltrackingais.html
More links & Custom maps for US Coast Guard, Cruise Ship,Yachts AIS tracking.
Other Federal Links:
NOAA's Ship Tracker Web Site - http://shiptracker.noaa.gov/
NOAA's Google Map Version - http://shiptracker.noaa.gov/gShiptracker/map.aspx
SeaWaves - Port Visits (Navy Ships) - http://www.seawaves.com/portvisits.asp