page_title: HMS Jason (J99)
section_title: Normandy Landings
hierarchical_section_title: HMS Jason (J99) / Service / World War II / Normandy Landings
caption_attribution_description: English: Royal Navy minesweeper HMS Britomart secured to a buoy in Plymouth Sound
context_page_description: HMS Jason was a Halcyon-class minesweeper. She was named after the hero in Greek mythology and was the sixteenth Royal Navy ship to carry the name Jason. She was laid down on 12 December 1936, launched on 6 October 1937, and was completed on 9 June 1938. She survived the Second World War and was sold in 1946 to become a cargo ship. She was eventually broken up in 1950. Her pennant number was originally N99, but was changed to J99 in May 1940.
context_section_description: From 22 November 1943 through to early 1944, she was going under another extensive re-fit at HMNB Portsmouth.  On completion of the re-fit she was nominated to join the newly formed 1st Minesweeping Flotilla, along with HMS Britomart, Gleaner, Halcyon, Harrier, Hussar, Salamander, Seagull and Speedwell.
  Throughout February and March they carried out their duties in the North Sea, and were subsequently nominated for a support rôle during the Normandy Landings.
  Prior to the landings, Jason was assigned to sweep channel 9 in front of the landing parties, no mines were discovered, but coastal batteries fired upon her.  She continued in support for the next few days, as well as providing an escort for her flagship, HMS Scylla.  On 18 June, she was involved in a collision which caused significant damage and flooding, and so she was required to retire to Portsmouth for repairs.
caption: HMS Britomart was the leader of the 1st Minesweeping Flotilla from 7 March 1944
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