Captain Joseph Eskel Hallonquist was a World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 flying ace

Flying ace

A flying ace or fighter ace is a military aviator credited with shooting down several enemy aircraft during aerial combat. The actual number of aerial victories required to officially qualify as an "ace" has varied, but is usually considered to be five or more...

 credited with five aerial victories.

When World War I began, Hallonquist was chief clerk of a bank in British Columbia. He joined the 19th Reserve Battalion of the Canadian Expeditionary Force, only to transfer to the Royal Flying Corps

Royal Flying Corps

The Royal Flying Corps was the over-land air arm of the British military during most of the First World War. During the early part of the war, the RFC's responsibilities were centred on support of the British Army, via artillery co-operation and photographic reconnaissance...

. He trained with 26 and 73 Squadrons before being posted on 23 January 1918 to 28 Squadron in Italy as an Honorary Captain. He opened his victory roll on 17 April 1918. His fourth confirmed win on 13 July downed Austro-Hungarian ace Ferdinand Udvardy

Ferdinand Udvardy

Stabsfeldwebel Ferdinand Udvardy was a Hungarian conscript into the military of the Austro-Hungarian Empire who became a flying ace credited with nine aerial victories...

; although Hallonquist was credited with a destruction, Udvardy survived. On 29 October 1918, Hallonquist was shot down by anti-aircraft fire. He spent a short period as a prisoner of war before returning to Canada.