Romans 12:1 After finishing a twenty-year career in the British Army in 2001, Dr. RobertLyman has published widely on the Second World War in Europe, North Africa and Asia. His most recent book is ‘A War of Empires’. He was the historical consultant to the BBC for the VJ Day ceremonies in 2015 and 2020. In this interview and talk he speaks about sacrifice – Christ for us, and us as living sacrifices for God.