 On Orde-Lees' return to England, World War I was raging.By now an honorary major, Orde-Lees returned to active service with the Royal Marines on 12 November 1916.After serving on the Western Front in the Balloon Corps, Orde-Lees, with the assistance of Shackleton, secured a place in the Royal Flying Corps on 1 August 1917 where he became an enthusiastic advocate for the use of parachutes.