27 July 1899 Lieutenant RAMC.
1899–1902 Served in South Africa.
27 July 1902 Captain RAMC.
1902–1905 Served in India.
Malta 28 Nov 1905 Embarked from England by exchange. Was posted at Belfast Irish Command.
Malta July 1906 Officer in charge Military Hospital Fort Chambray Gozo.
Malta Oct 1906 At the Oct RAMC monthly meeting read a paper on Paratyphoid Fever.
Malta 14 Dec 1906 On Home leave.
Malta 2 Feb 1907 Returned from leave.
Malta 1907 On duty at Cottonera. Sanitary Officer and Anaesthetist.
Malta July 1907 Officer in charge Citta Vecchia Sanatorium.
Malta 19 Dec 1907 In England on leave.
Malta 10 Feb 1908 Returned from leave.
Malta 1908 Company Officer 30 Coy RAMC Valletta.
Malta 28 Dec 1908 Earthquake at Messina - Organised the British earthquake relief party from Malta. A party of four RAMC doctors and two QAIMNS sisters, under Major G.S. Crawford and other RAMC personnel, landed at Catona from HMS Duncan on New Year's Day 1909, four days after the disaster.
Malta 31 Jan 1909 Home leave.
Malta 24 Mar 1909 Returned from leave.
Officer in charge Military Families Hospital, Valletta.
29 Oct 1909 Appointed Chevalier of the Crown of Italy for services at Calabria. The award was conferred at the Palace Valletta by the Governor and Commander in Chief on 29 October.
Malta 7 Nov 1909 Returned to England – tour expired. Posted to Cork District.
27 July 1911 Major RAMC.
1 Mar 1915 Lieutenant Colonel RAMC.
1914–1915 Served with the British Expeditionary Force France (invalided).
Dec 1915–Nov 1916 Officer Commanding troops HM Hospital Ship Britannic. Survived the sinking of the ship by a German mine in the Aegean Sea.
HMHS Britannic was commissioned on 12 Dec 1915 and fitted out to accommodate 3,300 casualties from the Dardanelles. She was en route to the Greek port of Mudros on the Mediterranean island of Lemnos, to evacuate casualties from the shore hospitals, when she hit a German mine off the island of Kea, to the south east of Athens, and sunk on 21 Nov 1916. Of the 1,134 people on board, 30 drowned in the Kea channel, when their lifeboats were sucked under by the still turning propeller.
1917–1921 Served in Egypt.
1918 Commanding Officer Citadel Military Hospital Cairo.
15 Dec 1924 Retired.
24 May 1961 Bequeathed his body for medical research.