From muddy creek to naval-industrial powerhouse; from constructing wooden walls to building Dreadnoughts; from maintaining King John's galleys to servicing the

This fascinating selection of photographs traces some of the many ways in which Portsmouth Dockyard has changed and developed over time.

During the past century, the Royal Navy and its support services at Portsmouth dockyard have experienced a pace of change not seen since the fifteenth century.

For three centuries Portsmouth has been the leading base of the Royal Navy but the naval heritage of its port can be traced back to the Roman invasion of Britai