Complex sentence: The "Bicester" took part in attacks on the German submarine, along with the other two destroyers and on 23 February, after a three-day search and destroy operation, the submarine was sunk by sustained depth charge attacks, with no survivors.
Split into simpler sentences: The "Bicester" took part in the sinking of the German submarine, in with the other two destroyers after a three-day search and destroy operation. On February 23, the submarine was sunk by sustained depth charge attacks, with no survivors.