Files contain letters from J. J. Duff, Master of Coningbeg Lightship; and J. Murphy, Mate, with details of: wreckage sighted ; explosion under the Lightship (2 March 1917) ; lifeboat and gear picked up (March 1917) ; Captain and crew of Saltes Leigth Ship brought aboard after 4 days at sea (16 March 1917) ; crews from ships brought aboard following sinking by submarine attacks (1 October, 21 November 1917) ; Mine Sweepers exploding mines ; compensation for supplying clothing and provisions to crews of torpedoed vessels ; submarine sightings.