Complex sentence: He initially served in the Welsh Regiment and later became a lieutenant-colonel in the Labour Corps and was awarded the Distinguished Service Order for bravery at the Battle of Cambrai in 1917, earning the nickname'Dai Alphabet' in South Wales.
Split into simpler sentences: He initially served in the Welsh Regiment, before becoming a lieutenant-colonel in the Labour Corps. Morgan was awarded the Distinguished Service Order for bravery at the Battle of Cambrai in 1917, earning the nickname "Dai Alphabet" in South Wales.