Roycv and all, yes the Deutches Museum is of the highest standard with many model ships of all eras and a few full-sized ones , including early submarines and aircraft. It more of a national museum of engineering and the sciences full of interest, from van de Graff lightning generator to large model railway layout, marvellous book and gift shop. 4 years since I was there, hope it hasn't changed. Don't start me on the Glasgow Museum of Transport that was going to be the Maritime Museum as befits a Clydeside venue and what happened to "the largest model boat collection in the world " , once displayed in the Kelvin Hall ? Den Helder ex Royal Dutch Navy base now a vast open museum is worth a trip to the north of the Netherlands. Lots of full-size ships ancient and modern, steam, lifeboats, Lightship, tugs etc all afloat. Submarine open on dry land is manned by ex-crew, English spoken of course.