Ex-Sergeant Harry Garnett was sent to fight in France in 1939. He had to fight and do things that were against Christian teachings and his beliefs. He explains how he prayed to God for forgiveness for doing what he was trained to do. Today he remains convinced of the power of prayer and God's willingness to forgive.
Encourage the class to consider whether this is a simple rule for all circumstances, or whether they think that killing is acceptable in some circumstances. This could lead to a wider discussion about religious views of war and conflict.