Is there any site that you can go to to trace the history of a military ship that you served on (when it was commissioned, in service, decommissioned, possible photographs, etc.)?
Wikipedia wouldn’t be a bad place to start.
US Navy?
http://www.hazegray.org/danfs/
Or are you looking for something put together by the Defense Department?
Try this for pictures:
That too.
That’s a good one.