Thomas Broadbent and Sons, used in Operation Sabre, scrapped 1945 XE5 — built by Thomas Broadbent and Sons, used in Operation Foil, scrapped 1945 XE6 — built by Thomas Broadbent and Sons, scrapped 1945 XE7 — built by Thomas Broadbent and Sons, scrapped 1952 XE8 "Expunger" — built by Broadbent, sunk as target 1952, recovered 1973 and preserved at Chatham Historic Dockyard, on loan from the Imperial War Museum XE9 — built by Markham, scrapped 1952 XE10 — built by Markham, cancelled incomplete 1945 Second group XE11 — built by Marshall, collided with boom defence vessel in Loch Striven after drifting out of her exercise area and lost 6 March 1945. Three crew were killed in the accident but two managed to escape. The boat was later salvaged. XE12 — built by Marshall, cannibalised for spares 1952 Third group with minor improvements, built 1954-5. See X51 Stickleback - to Swedish Navy as Spiggen. Now on display at Scottish Submarine Heritage Centre, Helensburgh. X52 Shrimp X53 Sprat - to United States Navy X54 MinnowIn popular culture Author Douglas Reeman featured XE craft in two of his novels, the 1961 Dive in the Sun and Surface with Daring published in 1976. References Bibliography Submarines in Colour by Bill Gunston - Blandford Colour Series - Blandford - 1976 - Submarines - The History and Evolution of Underwater Fighting Vessels by Anthony Preston - Octopus Books - 1974 - The Sea Devils: Operation Struggle and the Last Great Raid of World War Two'' by Mark Felton - Icon Books - 2015 - Submarine classes Midget submarines