HMS Truculent (P315) the desirability of presenting it so soon after this grievous disaster. The Producers have decided to offer the film in the spirit in which it was made, as a tribute to the officers and men of H.M. Submarines, and to the Royal Navy of which they form a part. HMS Truculent (P315) HMS "Truculent" was a British submarine of the third group of the "T" class. She was built as "P315" by Vickers Armstrong, Barrow, and launched on 12 September 1942. "Truculent" was lost following a post-war accident with a Swedish oil tanker in the Thames Estuary in January 1950.
Thames Estuary the coast there are some larger settlements, such as Clacton-on-Sea to the north in Essex, Herne Bay, Kent, and the Southend-on-Sea area within the narrower part of the estuary The River Thames flowing through London is a classic river estuary, with sedimentary deposition restricted through manmade embankments. The district of Teddington a few miles south-west of London's centre marks the boundary between the tidal and non-tidal parts of the Thames, although it is still considered a freshwater river about as far east as Battersea insofar as the average salinity is very low and the fish fauna consists predominantly of freshwater