Testing submarine by inventor Vassena.
Men practising escape from 'A' class submarine.
Submarine moving along surface of sea.
A look at life onboard the submarine "Trespasser".
Various shots submarine "Trespasser" - cuts from NP 485.
Various shots of the K-5 submarine.
Footage of new small submarine in action, Devonport, Plymouth, Devon.
Swedish submarine at Dover.
Submarine In Port; 1918
Submarine HMS 'Tally Ho' and its crew.
American submarine at sea.
Submarine launched at Chatham, Kent.
At Barrow-in-Furness, the Navy's new submarine "Explorer" is launched.
American submarine Aluminaut demonstrating its ability.
Salvaging a sunken submarine.
Sailors go through training to become members of the Submarine Corps.
British submarines visit Lisbon harbour; their Commander goes ashore.
Gold belonging to the Manila Government arrives in Corregidor, thanks to US submarine.
Submarines and warships take part in exercises at sea, Charleston, Tayside.