Operation Gambit

Operation Gambit was a part of Operation Neptune, the landing phase of the invasion of northern France (Overlord) during the Second World War. Gambit involved two X class submarines (British midget submarines) marking the ends of the Anglo-Canadian invasion beaches. Using navigation lights and flags, the submarines indicated the western and eastern limits of Sword and Juno.

An X-Craft under way in Loch Striven, near Rothesay A22903

X20 and X23 arrived in position on 4 June and due to the delay caused by bad weather, remained in position until 4:30 a.m. on 6 June (D-Day) when they surfaced, erected the navigational aids, an 18 ft (5.5 m) telescopic mast with a light shining to seaward, a radio beacon and echo sounder, tapping out a message for the minelayers approaching Sword and Juno.

A similar operation had been offered to the US landing forces to mark their beaches but this was declined. However the team of Captain Logan Scott-Bowden and Sergeant Bruce Ogden-Smith did investigate Omaha Beach for General Omar Bradley, returning with a sand sample.[1]

The submarines were at some risk of damage due to friendly fire and to avoid this, Lieutenant George Honour the captain of X23 flew a White Ensign of the size more normally used by capital ships.[2]

See also

Footnotes
  1. Mayo, Jonathan (2014). D-Day: Minute by Minute. New York: Marble Arch Press. pp. 128, 129. ISBN 978-1-4767-7294-3.
  2. Kemp 1996, pp. 170–172.

References
  • Kemp, Paul (1996). Underwater Warriors. Arms & Armour Press. ISBN 978-1-85409-228-1.
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