Third Sea Lord (Baustralia)
|Third Sea Lord and Fleet Commander
Troisième Seigneur de la Mer et Commandant du flotte
Naval Ensign of Baustralia
Command pennant of an Admiral
|His Royal Navy|
|Formation||12 March 2018|
|First holder||John Timpson|
The Third Sea Lord and Fleet Commander (3SL; French: Troisième Seigneur de la Mer et Commandant du flotte) is the fourth most senior member of His Royal Navy having primary responsibility for command, control, and administration of the navy, as well as naval strategy, plans, and requirements. The position is usually held by an three-fish admiral of His Royal Navy. The current commander, since 24 March 2020, is Vice admiral Jacob Mayjames, 1st Viscount Mayjames KG CKB OW.
The rank insignia of the office is usually that of a vice admiral, but currently is that of an Admiral.
|Baustralian Fleet Commander|
|2017 –||John I||12 March 2018 – 24 March 2020||Admiral John Timpson|
|Third Sea Lord and Fleet Commander|
|2017 –||John I||12 March 2018 –||Vice admiral the Lord Mayjames|