Admiral Sir Thomas Jackson, KBE, CB, MVO (20 February 1868 – 7 July 1945) was a senior

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...

officer during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

Naval career

Born the son of Admiral Sir Thomas Sturges Jackson, Jackson joined the

in 1881. He was promoted to commander on 31 December 1899, and in early 1900 was posted ''in lieu of a lieutenant'' to the

pre-dreadnought battleship Pre-dreadnought battleships were sea-going battleships built between the mid- to late- 1880s and 1905, before the launch of in 1906. The pre-dreadnought ships replaced the ironclad battleships of the 1870s and 1880s. Built from steel, protec ...

HMS ''Revenge'', stationed in the Fleet Reserve at

Chatham Dockyard Chatham Dockyard was a Royal Navy Dockyard located on the River Medway in Kent. Established in Chatham in the mid-16th century, the dockyard subsequently expanded into neighbouring Gillingham (at its most extensive, in the early 20th century ...

. During the

Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...

, Jackson was a military observer stationed on the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrend ...

cruiser , and was present at the Battle of Tsushima. After the war, he was promoted captain in 1905, and remained as a military attaché in Tokyo in 1906.Kowner, '' Historical Dictionary of the Russo-Japanese War'', p. 169. In 1913 he became the Director of the Intelligence Division of the Admiralty War Staff and then served in

becoming Director of the Operations Division in January 1915.Royal Navy Flag Officers 1914-1918
/ref> He played a key role in the Battle of Jutland in May 1916, providing Admiral Jellicoe with incorrect information that the German

High Seas Fleet The High Seas Fleet (''Hochseeflotte'') was the battle fleet of the German Imperial Navy and saw action during the First World War. The formation was created in February 1907, when the Home Fleet (''Heimatflotte'') was renamed as the High Seas ...

appeared to have remained in harbour. Promoted to rear admiral in June 1916, he was made Flag Officer, Egypt & The Red Sea in July 1917. He was promoted to vice admiral in March 1920. He retired in 1923 and was promoted admiral on the retired list in 1925.

Family

In 1907 he married Mona Anna Murray.

References

Sources

* *

External links

* {{DEFAULTSORT:Jackson, Thomas 1868 births 1945 deaths People of the Russo-Japanese War Royal Navy admirals of World War I Knights Commander of the Order of the British Empire Companions of the Order of the Bath Members of the Royal Victorian Order Directors of Naval Intelligence Military personnel from Devon British naval attachés