[2] At the start of World War Two, he worked in civil defence for a brief period before joining the Royal Navy as a signaller.
Morris served on Arctic convoy ships, including one that was shelled by the Tirpitz.
[2] He sold drawings and a sketchbook depicting his experiences in Archangel and Murmansk to the War Artists' Advisory Committee, WAAC.
In 1945, whilst still serving in the Navy, WAAC approved a full-time salaried contract for Morris, to record the work in the Far East of the British Pacific Fleet, alongside Leonard Rosoman.
He worked in Rangoon after liberation, in Hong Kong, Formosa, Shanghai, Tokyo and Yokohama, making him the only full-time WAAC artist to reach China and Japan.