<Li> Massey Shaw--the London - based fireboat initially went to Dunkirk to help fight fires, however it ended up making three trips across the channel rescuing over 500 troops, including 30 troops from the Emil de Champ which had hit a mine in the Channel . </Li> <Li> Sundowner--owned by Charles Lightoller, former second officer of the Titanic, was requisitioned by the Admiralty on 30 May . Lightoller insisted that, if anyone was going to take her to Dunkirk, it would be him and his eldest son, Roger, together with Sea Scout Gerald Ashcroft . The men transported 130 soldiers back to Ramsgate, reportedly packed together like sardines, almost capsizing when they reached the shore . She is a museum ship at the Ramsgate Maritime Museum . </Li> <Li> Bluebird of Chelsea--the yacht made two round trips to Kent, carrying hundreds of men . </Li> <Li> Tamzine--a fishing boat less than 15 feet (4.6 m) in length; the smallest boat to take part in the evacuation and now preserved by the Imperial War Museum . </Li>

Where did the torpedo come from in dunkirk