Hoskyns served in the Great War as a Temporary Chaplain to the Forces. He was commissioned in July 1915, and served in Egypt and France. He was described as 'A capable chaplain. Hard worker. Has made a good SCF (Senior Chaplain to the Forces).’[13] He was awarded the Military Cross, 'For conspicuous gallantry and devotion to duty. Under heavy shell fire he personally placed wounded in a safe place, and was solely responsible from preventing them falling into the hands of the enemy. He remained with them until all had been evacuated, being slightly wounded himself. Next day he showed conspicuous courage in tending wounded in an exposed position under heavy shell and machine-gun fire for nine hours without a break.'[14]
Kaiser, Austin Elliott (2012). Michael Ramsey, Archbishop of Canterbury: Incarnational Anglicanism and British Society, 1928–1974 (PhD dissertation). Eugene, Oregon: University of Oregon. hdl:1794/12367.