It looks very likely that the National Maritime Museum are going to release a significant
amount if information gleaned from their archives under CC-BY-SA so we can make use of it.
This would include information on the service history of some 20,000-odd Royal Navy
warships.
More information on-wiki
here:http://en.wikipedia.org/wiki/Wikipedia:GLAM/NMM
Regards,
Chris(The Land)