Chavasse was awarded the Military Cross for gallantry at Hooge, Belgium in June 1915, and was promoted captain in August 1915; on 30 November, 1915 that year he was Mentioned in Despatches.
Chavasse was awarded the Military Cross for gallantry at Hooge, Belgium in June 1915, though the award was not gazetted until 14 January 1916. He was promoted captain on 1 April 1915; on 30 November, 1915 that year he was Mentioned in Despatches.