24 Sept 1855 Staff Acting Assistant Surgeon.
Malta 3 Nov 1855 Arrived from England en route to the Crimea but was taken on the strength of the garrison.
10 Dec 1855 Left for Scutari.
Malta 1856 Returned from the Crimea.
13 Sept 1856 Reduced but re-appointed on 10 March 1857. In 1856, there was a reduction of the Army Medical establishment when several junior medical officers commissioned in 1855 remained unemployed for some months. On their re-appointment, however, their commissions were antedated to the orignal state.
1857 Served in China (Shahabad Campaign).
23 Apr 1858 Assistant Surgeon 84th (York and Lancaster) Regiment of Foot.
22 Oct 1861 Assistant Surgeon 14th (Buckinghamshire) Regiment of Foot.
21 Oct 1862 Staff Assistant Surgeon.
9 Oct 1863 Reduced to half-pay. On 17 November Staff Assistant Surgeon David Oglivie Hoile MD was recalled from half-pay to fill the vacancy left by Jenkins.
9 Oct 1865 Resigned.