|courtesy of Edward Toy|
After returning to the Army in 1917, Arley was assigned to L Company 116th Infantry and trained with the regiment at Camp McClellan, Alabama. On 15 Jun 1918, Arley and the 116th departed Hoboken, New Jersey aboard the USS Finland headed for France where they arrived on 28 Jun 1918. After going through more training in preparation for trench warfare. On 8 Oct 1918, the regiment was part of a big "push" in which PVT Oakley was wounded. He died of his wound(s) on 27 Oct 1918.
PVT Oakley was repatriated and re-interred in Prospect Lawn Cemetery in Hamburg, New York.