These pictures, courtesy of Getty, all have the theme ‘at sea’.
13. GettyImages-3286421.JPG
8th July 1912: The Fleet at Portsmouth ship the aircraft T2 on a lighter. (Photo by Topical Press Agency/Getty Images) Photo: Topical Press Agency
14. GettyImages-3249725.JPG
24th August 1937: Sea Ranger girls of the Girl Guides Association training at Portsmouth. (Photo by A. Hudson/Topical Press Agency/Getty Images) Photo: A. Hudson
15. GettyImages-3167534.JPG
23rd May 1970: Six Sea Cadets stand atop the Polaris submarine HMS Resolution while it docks in Portsmouth harbour. (Photo by Central Press/Getty Images) Photo: Central Press
16. GettyImages-3404402.JPG
20th August 1936: Sea Cadets being soaked on board the training ship 'Implacable' in Portsmouth harbour. (Photo by E. Dean/Topical Press Agency/Getty Images) Photo: E. Dean