SUBMARINES: CHATHAM BUILT
HM Submarine R4
Laid down on 4 February 1917 R4 was launched by Mrs Maginness on 8 June
1918, the same day R3 was launched.
R4 had the nickname "The Slug" She ended her career as a training boat
at Portland and was the last of her class in a serving role. R4 was
broken up in 1934.
