Various shots of Mrs A J Powell (wife of Captain Powell, Commander of the Ark Royal) launching a new submarine, HMS Thetis, at the Cammell Laird shipyard. She smashes a bottle against the side of the vessel and it starts to slide down the slipway. Brief shot of crowds...
Submarine launched at Chatham, Kent.
The submarine 'Trigger' is launched at Portsmouth, New Hampshire. America.
At Barrow-in-Furness, the Navy's new submarine "Explorer" is launched.
Nuclear submarine HMS Conqueror launched at Birkenhead.
French nuclear submarine launched in Cherbourg, France.
An aircraft carrier and two submarines are launched.