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In page Gervase Beckett:

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Beckett was commissioned a Lieutenant in the 3rd (Militia) Battalion, Green Howards in 1884,[1] but resigned his commission in 1886.[2] He was commissioned a Second Lieutenant in the Yorkshire Hussars in 1888.[3] He was promoted Lieutenant in 1895[4] and Captain in 1898,[5] and resigned his commission in 1901[6] During the First World War he returned to service as Assistant Military Secretary of Northern Command from 1914[7] to 1916.[8] He was Assistant Director of the Department of War Trade from 1918 to 1919.