Lieutenant-Colonel Hannes Marino Hannesson

1. Lieutenant-Colonel (Army). 1917-07-29 to 1918-10-16
2. Lieutenant-Colonel (Army). 1917-05-15 to 1917-07-29
3. Lieutenant-Colonel (Army). 1916-03-10 to 1917-05-15

Prior to enlistment he took officer training with the 90th Regiment Officer Training programme. Appointed to the 223rd Battalion as a Lieutenant on March 23. Attended Officer Training School from April 16 to May 07. Promoted to Captain on May 15. Promoted to Lieutenant Colonel and appointed Commanding Officer of the battalion on March 18, 1917. The battalion did not recruit to full strength, and he was involuntarily reverted to Major on April 01. He apparently challenged this reversion and tendered his resignation from the service three weeks later. His challenge was upheld and his rank reinstated, although the battalion sailing list showed his rank as Major.

He sailed with the 223rd Battalion aboard SS Justicia from Liverpool to Halifax, May 03-14, 1917. Posted to Shorncliffe Camp on arrival in England.

Appointed Staff Lieutenant and seconded to the Imperial Forces, 1st Army Group Headquarters in France from July 29, 1917 to October 04, 1918, (reference London Gazette 30247 and 30969), where he served as Town Major at Les Brebis, France. He was granted leave to England from August 22 to September 04, 1918 while seconded.

When the secondment ended he returned to England and went on indefinite leave pending return to Canada. He returned to Canada aboard SS Saxon, October 16-28. While aboard SS Saxon he fell ill with Influenza. On return to Winnipeg he was placed on medical leave pending discharge.