 He brought his companion back through Persia by way of Mianeh, Tehran, Qum, Isfahan and Sheraz to Bushire.In 1917-18 he served in Waziristan and on the Mahsud frontier, and towards the end of 1918 proceeded again to Mesopotamia.He was now employed under the Political authorities on an important diplomatic mission, owing to his intimate knowledge of conditions in Persian Kurdistan.