He arrived in France on the 30th August 1915. On the 16th December the Battalion relieved the 7th Kings Royal Rifles in trenches at a position known as Forward Cottage. Over the next three days their very wet trenches were heavily shelled. On the 19th December the Germans used Phosgene gas for the first time and casualties were high, The following day there was intense shelling on their positions resulting in their support trenches being demolished. Frank Oakley was killed during the shelling and has no known grave. His name is recorded on the Menin Gate Memorial.