Source and copyright
Source: Sea to Surface: Strategic: A Royal Navy Polaris A3 nuclear missile in flight after launch [online]. ROCKETS AND MISSILES. Part of IMPERIAL WAR MUSEUM PHOTOGRAPH ARCHIVE POST 1945 COLOUR TRANSPARENCY COLLECTION. Royal Navy official photographer. London: Imperial War Museum. © Crown copyright: IWM (CT 121) Catalogue number CT 121.
Available at: http://www.iwm.org.uk/collections/item/object/205191110 .
Copyright: (c) Imperial War Museum